path: root/COPYING

The code used to build this website, including all files in the includes
directory, is Copyright 2009-2010 Nick White.
It is licensed under the GNU Affero General Public License version 3,
or any later version.

The text on this website is Copyright 2009-2010 Nick White.
It is licensed under the Creative Commons Attribution-Share Alike 3.0
Unported license.

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                    GNU AFFERO GENERAL PUBLIC LICENSE
                       Version 3, 19 November 2007

 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

                            Preamble

  The GNU Affero General Public License is a free, copyleft license for
software and other kinds of works, specifically designed to ensure
cooperation with the community in the case of network server software.

  The licenses for most software and other practical works are designed
to take away your freedom to share and change the works.  By contrast,
our General Public Licenses are intended to guarantee your freedom to
share and change all versions of a program--to make sure it remains free
software for all its users.

  When we speak of free software, we are referring to freedom, not
price.  Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.

  Developers that use our General Public Licenses protect your rights
with two steps: (1) assert copyright on the software, and (2) offer
you this License which gives you legal permission to copy, distribute
and/or modify the software.

  A secondary benefit of defending all users' freedom is that
improvements made in alternate versions of the program, if they
receive widespread use, become available for other developers to
incorporate.  Many developers of free software are heartened and
encouraged by the resulting cooperation.  However, in the case of
software used on network servers, this result may fail to come about.
The GNU General Public License permits making a modified version and
letting the public access it on a server without ever releasing its
source code to the public.

  The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community.  It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server.  Therefore, public use of a modified version, on
a publicly accessible server, gives the public access to the source
code of the modified version.

  An older license, called the Affero General Public License and
published by Affero, was designed to accomplish similar goals.  This is
a different license, not a version of the Affero GPL, but Affero has
released a new version of the Affero GPL which permits relicensing under
this license.

  The precise terms and conditions for copying, distribution and
modification follow.

                       TERMS AND CONDITIONS

  0. Definitions.

  "This License" refers to version 3 of the GNU Affero General Public License.

  "Copyright" also means copyright-like laws that apply to other kinds of
works, such as semiconductor masks.

  "The Program" refers to any copyrightable work licensed under this
License.  Each licensee is addressed as "you".  "Licensees" and
"recipients" may be individuals or organizations.

  To "modify" a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of an
exact copy.  The resulting work is called a "modified version" of the
earlier work or a work "based on" the earlier work.

  A "covered work" means either the unmodified Program or a work based
on the Program.

  To "propagate" a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy.  Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.

  To "convey" a work means any kind of propagation that enables other
parties to make or receive copies.  Mere interaction with a user through
a computer network, with no transfer of a copy, is not conveying.

  An interactive user interface displays "Appropriate Legal Notices"
to the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License.  If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.

  1. Source Code.

  The "source code" for a work means the preferred form of the work
for making modifications to it.  "Object code" means any non-source
form of a work.

  A "Standard Interface" means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.

  The "System Libraries" of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form.  A
"Major Component", in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.

  The "Corresponding Source" for a work in object code form means all
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
control those activities.  However, it does not include the work's
System Libraries, or general-purpose tools or generally available free
programs which are used unmodified in performing those activities but
which are not part of the work.  For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.

  The Corresponding Source need not include anything that users
can regenerate automatically from other parts of the Corresponding
Source.

  The Corresponding Source for a work in source code form is that
same work.

  2. Basic Permissions.

  All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met.  This License explicitly affirms your unlimited
permission to run the unmodified Program.  The output from running a
covered work is covered by this License only if the output, given its
content, constitutes a covered work.  This License acknowledges your
rights of fair use or other equivalent, as provided by copyright law.

  You may make, run and propagate covered works that you do not
convey, without conditions so long as your license otherwise remains
in force.  You may convey covered works to others for the sole purpose
of having them make modifications exclusively for you, or provide you
with facilities for running those works, provided that you comply with
the terms of this License in conveying all material for which you do
not control copyright.  Those thus making or running the covered works
for you must do so exclusively on your behalf, under your direction
and control, on terms that prohibit them from making any copies of
your copyrighted material outside their relationship with you.

  Conveying under any other circumstances is permitted solely under
the conditions stated below.  Sublicensing is not allowed; section 10
makes it unnecessary.

  3. Protecting Users' Legal Rights From Anti-Circumvention Law.

  No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.

  When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such circumvention
is effected by exercising rights under this License with respect to
the covered work, and you disclaim any intention to limit operation or
modification of the work as a means of enforcing, against the work's
users, your or third parties' legal rights to forbid circumvention of
technological measures.

  4. Conveying Verbatim Copies.

  You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.

  You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.

  5. Conveying Modified Source Versions.

  You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these conditions:

    a) The work must carry prominent notices stating that you modified
    it, and giving a relevant date.

    b) The work must carry prominent notices stating that it is
    released under this License and any conditions added under section
    7.  This requirement modifies the requirement in section 4 to
    "keep intact all notices".

    c) You must license the entire work, as a whole, under this
    License to anyone who comes into possession of a copy.  This
    License will therefore apply, along with any applicable section 7
    additional terms, to the whole of the work, and all its parts,
    regardless of how they are packaged.  This License gives no
    permission to license the work in any other way, but it does not
    invalidate such permission if you have separately received it.

    d) If the work has interactive user interfaces, each must display
    Appropriate Legal Notices; however, if the Program has interactive
    interfaces that do not display Appropriate Legal Notices, your
    work need not make them do so.

  A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
"aggregate" if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit.  Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.

  6. Conveying Non-Source Forms.

  You may convey a covered work in object code form under the terms
of sections 4 and 5, provided that you also convey the
machine-readable Corresponding Source under the terms of this License,
in one of these ways:

    a) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by the
    Corresponding Source fixed on a durable physical medium
    customarily used for software interchange.

    b) Convey the object code in, or embodied in, a physical product
    (including a physical distribution medium), accompanied by a
    written offer, valid for at least three years and valid for as
    long as you offer spare parts or customer support for that product
    model, to give anyone who possesses the object code either (1) a
    copy of the Corresponding Source for all the software in the
    product that is covered by this License, on a durable physical
    medium customarily used for software interchange, for a price no
    more than your reasonable cost of physically performing this
    conveying of source, or (2) access to copy the
    Corresponding Source from a network server at no charge.

    c) Convey individual copies of the object code with a copy of the
    written offer to provide the Corresponding Source.  This
    alternative is allowed only occasionally and noncommercially, and
    only if you received the object code with such an offer, in accord
    with subsection 6b.

    d) Convey the object code by offering access from a designated
    place (gratis or for a charge), and offer equivalent access to the
    Corresponding Source in the same way through the same place at no
    further charge.  You need not require recipients to copy the
    Corresponding Source along with the object code.  If the place to
    copy the object code is a network server, the Corresponding Source
    may be on a different server (operated by you or a third party)
    that supports equivalent copying facilities, provided you maintain
    clear directions next to the object code saying where to find the
    Corresponding Source.  Regardless of what server hosts the
    Corresponding Source, you remain obligated to ensure that it is
    available for as long as needed to satisfy these requirements.

    e) Convey the object code using peer-to-peer transmission, provided
    you inform other peers where the object code and Corresponding
    Source of the work are being offered to the general public at no
    charge under subsection 6d.

  A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.

  A "User Product" is either (1) a "consumer product", which means any
tangible personal property which is normally used for personal, family,
or household purposes, or (2) anything designed or sold for incorporation
into a dwelling.  In determining whether a product is a consumer product,
doubtful cases shall be resolved in favor of coverage.  For a particular
product received by a particular user, "normally used" refers to a
typical or common use of that class of product, regardless of the status
of the particular user or of the way in which the particular user
actually uses, or expects or is expected to use, the product.  A product
is a consumer product regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless such uses represent
the only significant mode of use of the product.

  "Installation Information" for a User Product means any methods,
procedures, authorization keys, or other information required to install
and execute modified versions of a covered work in that User Product from
a modified version of its Corresponding Source.  The information must
suffice to ensure that the continued functioning of the modified object
code is in no case prevented or interfered with solely because
modification has been made.

  If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information.  But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).

  The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or updates
for a work that has been modified or installed by the recipient, or for
the User Product in which it has been modified or installed.  Access to a
network may be denied when the modification itself materially and
adversely affects the operation of the network or violates the rules and
protocols for communication across the network.

  Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.

  7. Additional Terms.

  "Additional permissions" are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law.  If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.

  When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it.  (Additional permissions may be written to require their own
removal in certain cases when you modify the work.)  You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.

  Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders of
that material) supplement the terms of this License with terms:

    a) Disclaiming warranty or limiting liability differently from the
    terms of sections 15 and 16 of this License; or

    b) Requiring preservation of specified reasonable legal notices or
    author attributions in that material or in the Appropriate Legal
    Notices displayed by works containing it; or

    c) Prohibiting misrepresentation of the origin of that material, or
    requiring that modified versions of such material be marked in
    reasonable ways as different from the original version; or

    d) Limiting the use for publicity purposes of names of licensors or
    authors of the material; or

    e) Declining to grant rights under trademark law for use of some
    trade names, trademarks, or service marks; or

    f) Requiring indemnification of licensors and authors of that
    material by anyone who conveys the material (or modified versions of
    it) with contractual assumptions of liability to the recipient, for
    any liability that these contractual assumptions directly impose on
    those licensors and authors.

  All other non-permissive additional terms are considered "further
restrictions" within the meaning of section 10.  If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term.  If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.

  If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.

  Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions;
the above requirements apply either way.

  8. Termination.

  You may not propagate or modify a covered work except as expressly
provided under this License.  Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).

  However, if you cease all violation of this License, then your
license from a particular copyright holder is reinstated (a)
provisionally, unless and until the copyright holder explicitly and
finally terminates your license, and (b) permanently, if the copyright
holder fails to notify you of the violation by some reasonable means
prior to 60 days after the cessation.

  Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.

  Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License.  If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.

  9. Acceptance Not Required for Having Copies.

  You are not required to accept this License in order to receive or
run a copy of the Program.  Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance.  However,
nothing other than this License grants you permission to propagate or
modify any covered work.  These actions infringe copyright if you do
not accept this License.  Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.

  10. Automatic Licensing of Downstream Recipients.

  Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License.  You are not responsible
for enforcing compliance by third parties with this License.

  An "entity transaction" is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations.  If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.

  You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License.  For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.

  11. Patents.

  A "contributor" is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based.  The
work thus licensed is called the contributor's "contributor version".

  A contributor's "essential patent claims" are all patent claims
owned or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version.  For
purposes of this definition, "control" includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.

  Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.

  In the following three paragraphs, a "patent license" is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement).  To "grant" such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.

  If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients.  "Knowingly relying" means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.

  If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.

  A patent license is "discriminatory" if it does not include within
the scope of its coverage, prohibits the exercise of, or is
conditioned on the non-exercise of one or more of the rights that are
specifically granted under this License.  You may not convey a covered
work if you are a party to an arrangement with a third party that is
in the business of distributing software, under which you make payment
to the third party based on the extent of your activity of conveying
the work, and under which the third party grants, to any of the
parties who would receive the covered work from you, a discriminatory
patent license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b) primarily
for and in connection with specific products or compilations that
contain the covered work, unless you entered into that arrangement,
or that patent license was granted, prior to 28 March 2007.

  Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.

  12. No Surrender of Others' Freedom.

  If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License.  If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all.  For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.

  13. Remote Network Interaction; Use with the GNU General Public License.

  Notwithstanding any other provision of this License, if you modify the
Program, your modified version must prominently offer all users
interacting with it remotely through a computer network (if your version
supports such interaction) an opportunity to receive the Corresponding
Source of your version by providing access to the Corresponding Source
from a network server at no charge, through some standard or customary
means of facilitating copying of software.  This Corresponding Source
shall include the Corresponding Source for any work covered by version 3
of the GNU General Public License that is incorporated pursuant to the
following paragraph.

  Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU General Public License into a single
combined work, and to convey the resulting work.  The terms of this
License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.

  14. Revised Versions of this License.

  The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time.  Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.

  Each version is given a distinguishing version number.  If the
Program specifies that a certain numbered version of the GNU Affero General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation.  If the Program does not specify a version number of the
GNU Affero General Public License, you may choose any version ever published
by the Free Software Foundation.

  If the Program specifies that a proxy can decide which future
versions of the GNU Affero General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.

  Later license versions may give you additional or different
permissions.  However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.

  15. Disclaimer of Warranty.

  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

  16. Limitation of Liability.

  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.

  17. Interpretation of Sections 15 and 16.

  If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.

                     END OF TERMS AND CONDITIONS

            How to Apply These Terms to Your New Programs

  If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.

  To do so, attach the following notices to the program.  It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.

    <one line to give the program's name and a brief idea of what it does.>
    Copyright (C) <year>  <name of author>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

Also add information on how to contact you by electronic and paper mail.

  If your software can interact with users remotely through a computer
network, you should also make sure that it provides a way for users to
get its source.  For example, if your program is a web application, its
interface could display a "Source" link that leads users to an archive
of the code.  There are many ways you could offer source, and different
solutions will be better for different programs; see section 13 for the
specific requirements.

  You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
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License

THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS
OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR
"LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER
APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS
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CONTRACT, THE LICENSOR GRANTS YOU THE RIGHTS CONTAINED HERE
IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND
CONDITIONS.

1. Definitions


  "Adaptation" means a work based upon
  the Work, or upon the Work and other pre-existing works,
  such as a translation, adaptation, derivative work,
  arrangement of music or other alterations of a literary
  or artistic work, or phonogram or performance and
  includes cinematographic adaptations or any other form in
  which the Work may be recast, transformed, or adapted
  including in any form recognizably derived from the
  original, except that a work that constitutes a
  Collection will not be considered an Adaptation for the
  purpose of this License. For the avoidance of doubt,
  where the Work is a musical work, performance or
  phonogram, the synchronization of the Work in
  timed-relation with a moving image ("synching") will be
  considered an Adaptation for the purpose of this
  License.

  "Collection" means a collection of
  literary or artistic works, such as encyclopedias and
  anthologies, or performances, phonograms or broadcasts,
  or other works or subject matter other than works listed
  in Section 1(f) below, which, by reason of the selection
  and arrangement of their contents, constitute
  intellectual creations, in which the Work is included in
  its entirety in unmodified form along with one or more
  other contributions, each constituting separate and
  independent works in themselves, which together are
  assembled into a collective whole. A work that
  constitutes a Collection will not be considered an
  Adaptation (as defined below) for the purposes of this
  License.

  "Creative Commons Compatible
  License" means a license that is listed at
  http://creativecommons.org/compatiblelicenses that has
  been approved by Creative Commons as being essentially
  equivalent to this License, including, at a minimum,
  because that license: (i) contains terms that have the
  same purpose, meaning and effect as the License Elements
  of this License; and, (ii) explicitly permits the
  relicensing of adaptations of works made available under
  that license under this License or a Creative Commons
  jurisdiction license with the same License Elements as
  this License.

  "Distribute" means to make available
  to the public the original and copies of the Work or
  Adaptation, as appropriate, through sale or other
  transfer of ownership.

  "License Elements" means the
  following high-level license attributes as selected by
  Licensor and indicated in the title of this License:
  Attribution, ShareAlike.

  "Licensor" means the individual,
  individuals, entity or entities that offer(s) the Work
  under the terms of this License.

  "Original Author" means, in the case
  of a literary or artistic work, the individual,
  individuals, entity or entities who created the Work or
  if no individual or entity can be identified, the
  publisher; and in addition (i) in the case of a
  performance the actors, singers, musicians, dancers, and
  other persons who act, sing, deliver, declaim, play in,
  interpret or otherwise perform literary or artistic works
  or expressions of folklore; (ii) in the case of a
  phonogram the producer being the person or legal entity
  who first fixes the sounds of a performance or other
  sounds; and, (iii) in the case of broadcasts, the
  organization that transmits the broadcast.

  "Work" means the literary and/or
  artistic work offered under the terms of this License
  including without limitation any production in the
  literary, scientific and artistic domain, whatever may be
  the mode or form of its expression including digital
  form, such as a book, pamphlet and other writing; a
  lecture, address, sermon or other work of the same
  nature; a dramatic or dramatico-musical work; a
  choreographic work or entertainment in dumb show; a
  musical composition with or without words; a
  cinematographic work to which are assimilated works
  expressed by a process analogous to cinematography; a
  work of drawing, painting, architecture, sculpture,
  engraving or lithography; a photographic work to which
  are assimilated works expressed by a process analogous to
  photography; a work of applied art; an illustration, map,
  plan, sketch or three-dimensional work relative to
  geography, topography, architecture or science; a
  performance; a broadcast; a phonogram; a compilation of
  data to the extent it is protected as a copyrightable
  work; or a work performed by a variety or circus
  performer to the extent it is not otherwise considered a
  literary or artistic work.

  "You" means an individual or entity
  exercising rights under this License who has not
  previously violated the terms of this License with
  respect to the Work, or who has received express
  permission from the Licensor to exercise rights under
  this License despite a previous violation.

  "Publicly Perform" means to perform
  public recitations of the Work and to communicate to the
  public those public recitations, by any means or process,
  including by wire or wireless means or public digital
  performances; to make available to the public Works in
  such a way that members of the public may access these
  Works from a place and at a place individually chosen by
  them; to perform the Work to the public by any means or
  process and the communication to the public of the
  performances of the Work, including by public digital
  performance; to broadcast and rebroadcast the Work by any
  means including signs, sounds or images.

  "Reproduce" means to make copies of
  the Work by any means including without limitation by
  sound or visual recordings and the right of fixation and
  reproducing fixations of the Work, including storage of a
  protected performance or phonogram in digital form or
  other electronic medium.


2. Fair Dealing Rights. Nothing in this
License is intended to reduce, limit, or restrict any uses
free from copyright or rights arising from limitations or
exceptions that are provided for in connection with the
copyright protection under copyright law or other
applicable laws.

3. License Grant. Subject to the terms
and conditions of this License, Licensor hereby grants You
a worldwide, royalty-free, non-exclusive, perpetual (for
the duration of the applicable copyright) license to
exercise the rights in the Work as stated below:


  to Reproduce the Work, to incorporate the Work into
  one or more Collections, and to Reproduce the Work as
  incorporated in the Collections;

  to create and Reproduce Adaptations provided that any
  such Adaptation, including any translation in any medium,
  takes reasonable steps to clearly label, demarcate or
  otherwise identify that changes were made to the original
  Work. For example, a translation could be marked "The
  original work was translated from English to Spanish," or
  a modification could indicate "The original work has been
  modified.";

  to Distribute and Publicly Perform the Work including
  as incorporated in Collections; and,

  to Distribute and Publicly Perform Adaptations.

  
    For the avoidance of doubt:

    
      Non-waivable Compulsory License
      Schemes. In those jurisdictions in which the
      right to collect royalties through any statutory or
      compulsory licensing scheme cannot be waived, the
      Licensor reserves the exclusive right to collect such
      royalties for any exercise by You of the rights
      granted under this License;

      Waivable Compulsory License
      Schemes. In those jurisdictions in which the
      right to collect royalties through any statutory or
      compulsory licensing scheme can be waived, the
      Licensor waives the exclusive right to collect such
      royalties for any exercise by You of the rights
      granted under this License; and,

      Voluntary License Schemes. The
      Licensor waives the right to collect royalties,
      whether individually or, in the event that the
      Licensor is a member of a collecting society that
      administers voluntary licensing schemes, via that
      society, from any exercise by You of the rights
      granted under this License.
    
  


The above rights may be exercised in all media and
formats whether now known or hereafter devised. The above
rights include the right to make such modifications as are
technically necessary to exercise the rights in other media
and formats. Subject to Section 8(f), all rights not
expressly granted by Licensor are hereby reserved.

4. Restrictions. The license granted in
Section 3 above is expressly made subject to and limited by
the following restrictions:


  You may Distribute or Publicly Perform the Work only
  under the terms of this License. You must include a copy
  of, or the Uniform Resource Identifier (URI) for, this
  License with every copy of the Work You Distribute or
  Publicly Perform. You may not offer or impose any terms
  on the Work that restrict the terms of this License or
  the ability of the recipient of the Work to exercise the
  rights granted to that recipient under the terms of the
  License. You may not sublicense the Work. You must keep
  intact all notices that refer to this License and to the
  disclaimer of warranties with every copy of the Work You
  Distribute or Publicly Perform. When You Distribute or
  Publicly Perform the Work, You may not impose any
  effective technological measures on the Work that
  restrict the ability of a recipient of the Work from You
  to exercise the rights granted to that recipient under
  the terms of the License. This Section 4(a) applies to
  the Work as incorporated in a Collection, but this does
  not require the Collection apart from the Work itself to
  be made subject to the terms of this License. If You
  create a Collection, upon notice from any Licensor You
  must, to the extent practicable, remove from the
  Collection any credit as required by Section 4(c), as
  requested. If You create an Adaptation, upon notice from
  any Licensor You must, to the extent practicable, remove
  from the Adaptation any credit as required by Section
  4(c), as requested.

  You may Distribute or Publicly Perform an Adaptation
  only under the terms of: (i) this License; (ii) a later
  version of this License with the same License Elements as
  this License; (iii) a Creative Commons jurisdiction
  license (either this or a later license version) that
  contains the same License Elements as this License (e.g.,
  Attribution-ShareAlike 3.0 US)); (iv) a Creative Commons
  Compatible License. If you license the Adaptation under
  one of the licenses mentioned in (iv), you must comply
  with the terms of that license. If you license the
  Adaptation under the terms of any of the licenses
  mentioned in (i), (ii) or (iii) (the "Applicable
  License"), you must comply with the terms of the
  Applicable License generally and the following
  provisions: (I) You must include a copy of, or the URI
  for, the Applicable License with every copy of each
  Adaptation You Distribute or Publicly Perform; (II) You
  may not offer or impose any terms on the Adaptation that
  restrict the terms of the Applicable License or the
  ability of the recipient of the Adaptation to exercise
  the rights granted to that recipient under the terms of
  the Applicable License; (III) You must keep intact all
  notices that refer to the Applicable License and to the
  disclaimer of warranties with every copy of the Work as
  included in the Adaptation You Distribute or Publicly
  Perform; (IV) when You Distribute or Publicly Perform the
  Adaptation, You may not impose any effective
  technological measures on the Adaptation that restrict
  the ability of a recipient of the Adaptation from You to
  exercise the rights granted to that recipient under the
  terms of the Applicable License. This Section 4(b)
  applies to the Adaptation as incorporated in a
  Collection, but this does not require the Collection
  apart from the Adaptation itself to be made subject to
  the terms of the Applicable License.

  If You Distribute, or Publicly Perform the Work or
  any Adaptations or Collections, You must, unless a
  request has been made pursuant to Section 4(a), keep
  intact all copyright notices for the Work and provide,
  reasonable to the medium or means You are utilizing: (i)
  the name of the Original Author (or pseudonym, if
  applicable) if supplied, and/or if the Original Author
  and/or Licensor designate another party or parties (e.g.,
  a sponsor institute, publishing entity, journal) for
  attribution ("Attribution Parties") in Licensor's
  copyright notice, terms of service or by other reasonable
  means, the name of such party or parties; (ii) the title
  of the Work if supplied; (iii) to the extent reasonably
  practicable, the URI, if any, that Licensor specifies to
  be associated with the Work, unless such URI does not
  refer to the copyright notice or licensing information
  for the Work; and (iv) , consistent with Ssection 3(b),
  in the case of an Adaptation, a credit identifying the
  use of the Work in the Adaptation (e.g., "French
  translation of the Work by Original Author," or
  "Screenplay based on original Work by Original Author").
  The credit required by this Section 4(c) may be
  implemented in any reasonable manner; provided, however,
  that in the case of a Adaptation or Collection, at a
  minimum such credit will appear, if a credit for all
  contributing authors of the Adaptation or Collection
  appears, then as part of these credits and in a manner at
  least as prominent as the credits for the other
  contributing authors. For the avoidance of doubt, You may
  only use the credit required by this Section for the
  purpose of attribution in the manner set out above and,
  by exercising Your rights under this License, You may not
  implicitly or explicitly assert or imply any connection
  with, sponsorship or endorsement by the Original Author,
  Licensor and/or Attribution Parties, as appropriate, of
  You or Your use of the Work, without the separate,
  express prior written permission of the Original Author,
  Licensor and/or Attribution Parties.

  Except as otherwise agreed in writing by the Licensor
  or as may be otherwise permitted by applicable law, if
  You Reproduce, Distribute or Publicly Perform the Work
  either by itself or as part of any Adaptations or
  Collections, You must not distort, mutilate, modify or
  take other derogatory action in relation to the Work
  which would be prejudicial to the Original Author's honor
  or reputation. Licensor agrees that in those
  jurisdictions (e.g. Japan), in which any exercise of the
  right granted in Section 3(b) of this License (the right
  to make Adaptations) would be deemed to be a distortion,
  mutilation, modification or other derogatory action
  prejudicial to the Original Author's honor and
  reputation, the Licensor will waive or not assert, as
  appropriate, this Section, to the fullest extent
  permitted by the applicable national law, to enable You
  to reasonably exercise Your right under Section 3(b) of
  this License (right to make Adaptations) but not
  otherwise.


5. Representations, Warranties and
Disclaimer

UNLESS OTHERWISE MUTUALLY AGREED TO BY THE PARTIES IN
WRITING, LICENSOR OFFERS THE WORK AS-IS AND MAKES NO
REPRESENTATIONS OR WARRANTIES OF ANY KIND CONCERNING THE
WORK, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, INCLUDING,
WITHOUT LIMITATION, WARRANTIES OF TITLE, MERCHANTIBILITY,
FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR THE
ABSENCE OF LATENT OR OTHER DEFECTS, ACCURACY, OR THE
PRESENCE OF ABSENCE OF ERRORS, WHETHER OR NOT DISCOVERABLE.
SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED
WARRANTIES, SO SUCH EXCLUSION MAY NOT APPLY TO YOU.

6. Limitation on Liability. EXCEPT TO
THE EXTENT REQUIRED BY APPLICABLE LAW, IN NO EVENT WILL
LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY FOR ANY
SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY
DAMAGES ARISING OUT OF THIS LICENSE OR THE USE OF THE WORK,
EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.

7. Termination


  This License and the rights granted hereunder will
  terminate automatically upon any breach by You of the
  terms of this License. Individuals or entities who have
  received Adaptations or Collections from You under this
  License, however, will not have their licenses terminated
  provided such individuals or entities remain in full
  compliance with those licenses. Sections 1, 2, 5, 6, 7,
  and 8 will survive any termination of this License.

  Subject to the above terms and conditions, the
  license granted here is perpetual (for the duration of
  the applicable copyright in the Work). Notwithstanding
  the above, Licensor reserves the right to release the
  Work under different license terms or to stop
  distributing the Work at any time; provided, however that
  any such election will not serve to withdraw this License
  (or any other license that has been, or is required to
  be, granted under the terms of this License), and this
  License will continue in full force and effect unless
  terminated as stated above.


8. Miscellaneous


  Each time You Distribute or Publicly Perform the Work
  or a Collection, the Licensor offers to the recipient a
  license to the Work on the same terms and conditions as
  the license granted to You under this License.

  Each time You Distribute or Publicly Perform an
  Adaptation, Licensor offers to the recipient a license to
  the original Work on the same terms and conditions as the
  license granted to You under this License.

  If any provision of this License is invalid or
  unenforceable under applicable law, it shall not affect
  the validity or enforceability of the remainder of the
  terms of this License, and without further action by the
  parties to this agreement, such provision shall be
  reformed to the minimum extent necessary to make such
  provision valid and enforceable.

  No term or provision of this License shall be deemed
  waived and no breach consented to unless such waiver or
  consent shall be in writing and signed by the party to be
  charged with such waiver or consent.

  This License constitutes the entire agreement between
  the parties with respect to the Work licensed here. There
  are no understandings, agreements or representations with
  respect to the Work not specified here. Licensor shall
  not be bound by any additional provisions that may appear
  in any communication from You. This License may not be
  modified without the mutual written agreement of the
  Licensor and You.

  The rights granted under, and the subject matter
  referenced, in this License were drafted utilizing the
  terminology of the Berne Convention for the Protection of
  Literary and Artistic Works (as amended on September 28,
  1979), the Rome Convention of 1961, the WIPO Copyright
  Treaty of 1996, the WIPO Performances and Phonograms
  Treaty of 1996 and the Universal Copyright Convention (as
  revised on July 24, 1971). These rights and subject
  matter take effect in the relevant jurisdiction in which
  the License terms are sought to be enforced according to
  the corresponding provisions of the implementation of
  those treaty provisions in the applicable national law.
  If the standard suite of rights granted under applicable
  copyright law includes additional rights not granted
  under this License, such additional rights are deemed to
  be included in the License; this License is not intended
  to restrict the license of any rights under applicable
  law.




  Creative Commons Notice

  Creative Commons is not a party to this License, and
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