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	84
	85	<h1><a class="anchor" id="license">GNU General Public License </a></h1><div class="fragment"><pre class="fragment"> GNU GENERAL PUBLIC LICENSE
	86	Version 3, 29 June 2007
	87
	88	Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
	89	Everyone is permitted to copy and distribute verbatim copies
	90	of this license document, but changing it is not allowed.
	91
	92	Preamble
	93
	94	The GNU General Public License is a free, copyleft license for
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	96
	97	The licenses for most software and other practical works are designed
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	155	TERMS AND CONDITIONS
	156
	157	0. Definitions.
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	159	"This License" refers to version 3 of the GNU General Public License.
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	535	for enforcing compliance by third parties with this License.
	536
	537	An "entity transaction" is a transaction transferring control of an
	538	organization, or substantially all assets of one, or subdividing an
	539	organization, or merging organizations. If propagation of a covered
	540	work results from an entity transaction, each party to that
	541	transaction who receives a copy of the work also receives whatever
	542	licenses to the work the party's predecessor in interest had or could
	543	give under the previous paragraph, plus a right to possession of the
	544	Corresponding Source of the work from the predecessor in interest, if
	545	the predecessor has it or can get it with reasonable efforts.
	546
	547	You may not impose any further restrictions on the exercise of the
	548	rights granted or affirmed under this License. For example, you may
	549	not impose a license fee, royalty, or other charge for exercise of
	550	rights granted under this License, and you may not initiate litigation
	551	(including a cross-claim or counterclaim in a lawsuit) alleging that
	552	any patent claim is infringed by making, using, selling, offering for
	553	sale, or importing the Program or any portion of it.
	554
	555	11. Patents.
	556
	557	A "contributor" is a copyright holder who authorizes use under this
	558	License of the Program or a work on which the Program is based. The
	559	work thus licensed is called the contributor's "contributor version".
	560
	561	A contributor's "essential patent claims" are all patent claims
	562	owned or controlled by the contributor, whether already acquired or
	563	hereafter acquired, that would be infringed by some manner, permitted
	564	by this License, of making, using, or selling its contributor version,
	565	but do not include claims that would be infringed only as a
	566	consequence of further modification of the contributor version. For
	567	purposes of this definition, "control" includes the right to grant
	568	patent sublicenses in a manner consistent with the requirements of
	569	this License.
	570
	571	Each contributor grants you a non-exclusive, worldwide, royalty-free
	572	patent license under the contributor's essential patent claims, to
	573	make, use, sell, offer for sale, import and otherwise run, modify and
	574	propagate the contents of its contributor version.
	575
	576	In the following three paragraphs, a "patent license" is any express
	577	agreement or commitment, however denominated, not to enforce a patent
	578	(such as an express permission to practice a patent or covenant not to
	579	sue for patent infringement). To "grant" such a patent license to a
	580	party means to make such an agreement or commitment not to enforce a
	581	patent against the party.
	582
	583	If you convey a covered work, knowingly relying on a patent license,
	584	and the Corresponding Source of the work is not available for anyone
	585	to copy, free of charge and under the terms of this License, through a
	586	publicly available network server or other readily accessible means,
	587	then you must either (1) cause the Corresponding Source to be so
	588	available, or (2) arrange to deprive yourself of the benefit of the
	589	patent license for this particular work, or (3) arrange, in a manner
	590	consistent with the requirements of this License, to extend the patent
	591	license to downstream recipients. "Knowingly relying" means you have
	592	actual knowledge that, but for the patent license, your conveying the
	593	covered work in a country, or your recipient's use of the covered work
	594	in a country, would infringe one or more identifiable patents in that
	595	country that you have reason to believe are valid.
	596
	597	If, pursuant to or in connection with a single transaction or
	598	arrangement, you convey, or propagate by procuring conveyance of, a
	599	covered work, and grant a patent license to some of the parties
	600	receiving the covered work authorizing them to use, propagate, modify
	601	or convey a specific copy of the covered work, then the patent license
	602	you grant is automatically extended to all recipients of the covered
	603	work and works based on it.
	604
	605	A patent license is "discriminatory" if it does not include within
	606	the scope of its coverage, prohibits the exercise of, or is
	607	conditioned on the non-exercise of one or more of the rights that are
	608	specifically granted under this License. You may not convey a covered
	609	work if you are a party to an arrangement with a third party that is
	610	in the business of distributing software, under which you make payment
	611	to the third party based on the extent of your activity of conveying
	612	the work, and under which the third party grants, to any of the
	613	parties who would receive the covered work from you, a discriminatory
	614	patent license (a) in connection with copies of the covered work
	615	conveyed by you (or copies made from those copies), or (b) primarily
	616	for and in connection with specific products or compilations that
	617	contain the covered work, unless you entered into that arrangement,
	618	or that patent license was granted, prior to 28 March 2007.
	619
	620	Nothing in this License shall be construed as excluding or limiting
	621	any implied license or other defenses to infringement that may
	622	otherwise be available to you under applicable patent law.
	623
	624	12. No Surrender of Others' Freedom.
	625
	626	If conditions are imposed on you (whether by court order, agreement or
	627	otherwise) that contradict the conditions of this License, they do not
	628	excuse you from the conditions of this License. If you cannot convey a
	629	covered work so as to satisfy simultaneously your obligations under this
	630	License and any other pertinent obligations, then as a consequence you may
	631	not convey it at all. For example, if you agree to terms that obligate you
	632	to collect a royalty for further conveying from those to whom you convey
	633	the Program, the only way you could satisfy both those terms and this
	634	License would be to refrain entirely from conveying the Program.
	635
	636	13. Use with the GNU Affero General Public License.
	637
	638	Notwithstanding any other provision of this License, you have
	639	permission to link or combine any covered work with a work licensed
	640	under version 3 of the GNU Affero General Public License into a single
	641	combined work, and to convey the resulting work. The terms of this
	642	License will continue to apply to the part which is the covered work,
	643	but the special requirements of the GNU Affero General Public License,
	644	section 13, concerning interaction through a network will apply to the
	645	combination as such.
	646
	647	14. Revised Versions of this License.
	648
	649	The Free Software Foundation may publish revised and/or new versions of
	650	the GNU General Public License from time to time. Such new versions will
	651	be similar in spirit to the present version, but may differ in detail to
	652	address new problems or concerns.
	653
	654	Each version is given a distinguishing version number. If the
	655	Program specifies that a certain numbered version of the GNU General
	656	Public License "or any later version" applies to it, you have the
	657	option of following the terms and conditions either of that numbered
	658	version or of any later version published by the Free Software
	659	Foundation. If the Program does not specify a version number of the
	660	GNU General Public License, you may choose any version ever published
	661	by the Free Software Foundation.
	662
	663	If the Program specifies that a proxy can decide which future
	664	versions of the GNU General Public License can be used, that proxy's
	665	public statement of acceptance of a version permanently authorizes you
	666	to choose that version for the Program.
	667
	668	Later license versions may give you additional or different
	669	permissions. However, no additional obligations are imposed on any
	670	author or copyright holder as a result of your choosing to follow a
	671	later version.
	672
	673	15. Disclaimer of Warranty.
	674
	675	THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
	676	APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
	677	HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
	678	OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
	679	THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	680	PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
	681	IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
	682	ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
	683
	684	16. Limitation of Liability.
	685
	686	IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
	687	WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
	688	THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
	689	GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
	690	USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
	691	DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
	692	PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
	693	EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
	694	SUCH DAMAGES.
	695
	696	17. Interpretation of Sections 15 and 16.
	697
	698	If the disclaimer of warranty and limitation of liability provided
	699	above cannot be given local legal effect according to their terms,
	700	reviewing courts shall apply local law that most closely approximates
	701	an absolute waiver of all civil liability in connection with the
	702	Program, unless a warranty or assumption of liability accompanies a
	703	copy of the Program in return for a fee.
	704
	705	END OF TERMS AND CONDITIONS
	706
	707	How to Apply These Terms to Your New Programs
	708
	709	If you develop a new program, and you want it to be of the greatest
	710	possible use to the public, the best way to achieve this is to make it
	711	free software which everyone can redistribute and change under these terms.
	712
	713	To do so, attach the following notices to the program. It is safest
	714	to attach them to the start of each source file to most effectively
	715	state the exclusion of warranty; and each file should have at least
	716	the "copyright" line and a pointer to where the full notice is found.
	717
	718	<one line to give the program's name and a brief idea of what it does.>
	719	Copyright (C) <year> <name of author>
	720
	721	This program is free software: you can redistribute it and/or modify
	722	it under the terms of the GNU General Public License as published by
	723	the Free Software Foundation, either version 3 of the License, or
	724	(at your option) any later version.
	725
	726	This program is distributed in the hope that it will be useful,
	727	but WITHOUT ANY WARRANTY; without even the implied warranty of
	728	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	729	GNU General Public License for more details.
	730
	731	You should have received a copy of the GNU General Public License
	732	along with this program. If not, see <http://www.gnu.org/licenses/>.
	733
	734	Also add information on how to contact you by electronic and paper mail.
	735
	736	If the program does terminal interaction, make it output a short
	737	notice like this when it starts in an interactive mode:
	738
	739	<program> Copyright (C) <year> <name of author>
	740	This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
	741	This is free software, and you are welcome to redistribute it
	742	under certain conditions; type `show c' for details.
	743
	744	The hypothetical commands `show w' and `show c' should show the appropriate
	745	parts of the General Public License. Of course, your program's commands
	746	might be different; for a GUI interface, you would use an "about box".
	747
	748	You should also get your employer (if you work as a programmer) or school,
	749	if any, to sign a "copyright disclaimer" for the program, if necessary.
	750	For more information on this, and how to apply and follow the GNU GPL, see
	751	<http://www.gnu.org/licenses/>.
	752
	753	The GNU General Public License does not permit incorporating your program
	754	into proprietary programs. If your program is a subroutine library, you
	755	may consider it more useful to permit linking proprietary applications with
	756	the library. If this is what you want to do, use the GNU Lesser General
	757	Public License instead of this License. But first, please read
	758	<http://www.gnu.org/philosophy/why-not-lgpl.html>.
	759	</pre></div> </div>
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