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		1		GNU GENERAL PUBLIC LICENSE
		2		Version 3, 29 June 2007
		3
		4		Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
		5		Everyone is permitted to copy and distribute verbatim copies
		6		of this license document, but changing it is not allowed.
		7
		8		Preamble
		9
		10		The GNU General Public License is a free, copyleft license for
		11		software and other kinds of works.
		12
		13		The licenses for most software and other practical works are designed
		14		to take away your freedom to share and change the works. By contrast,
		15		the GNU General Public License is intended to guarantee your freedom to
		16		share and change all versions of a program--to make sure it remains free
		17		software for all its users. We, the Free Software Foundation, use the
		18		GNU General Public License for most of our software; it applies also to
		19		any other work released this way by its authors. You can apply it to
		20		your programs, too.
		21
		22		When we speak of free software, we are referring to freedom, not
		23		price. Our General Public Licenses are designed to make sure that you
		24		have the freedom to distribute copies of free software (and charge for
		25		them if you wish), that you receive source code or can get it if you
		26		want it, that you can change the software or use pieces of it in new
		27		free programs, and that you know you can do these things.
		28
		29		To protect your rights, we need to prevent others from denying you
		30		these rights or asking you to surrender the rights. Therefore, you have
		31		certain responsibilities if you distribute copies of the software, or if
		32		you modify it: responsibilities to respect the freedom of others.
		33
		34		For example, if you distribute copies of such a program, whether
		35		gratis or for a fee, you must pass on to the recipients the same
		36		freedoms that you received. You must make sure that they, too, receive
		37		or can get the source code. And you must show them these terms so they
		38		know their rights.
		39
		40		Developers that use the GNU GPL protect your rights with two steps:
		41		(1) assert copyright on the software, and (2) offer you this License
		42		giving you legal permission to copy, distribute and/or modify it.
		43
		44		For the developers' and authors' protection, the GPL clearly explains
		45		that there is no warranty for this free software. For both users' and
		46		authors' sake, the GPL requires that modified versions be marked as
		47		changed, so that their problems will not be attributed erroneously to
		48		authors of previous versions.
		49
		50		Some devices are designed to deny users access to install or run
		51		modified versions of the software inside them, although the manufacturer
		52		can do so. This is fundamentally incompatible with the aim of
		53		protecting users' freedom to change the software. The systematic
		54		pattern of such abuse occurs in the area of products for individuals to
		55		use, which is precisely where it is most unacceptable. Therefore, we
		56		have designed this version of the GPL to prohibit the practice for those
		57		products. If such problems arise substantially in other domains, we
		58		stand ready to extend this provision to those domains in future versions
		59		of the GPL, as needed to protect the freedom of users.
		60
		61		Finally, every program is threatened constantly by software patents.
		62		States should not allow patents to restrict development and use of
		63		software on general-purpose computers, but in those that do, we wish to
		64		avoid the special danger that patents applied to a free program could
		65		make it effectively proprietary. To prevent this, the GPL assures that
		66		patents cannot be used to render the program non-free.
		67
		68		The precise terms and conditions for copying, distribution and
		69		modification follow.
		70
		71		TERMS AND CONDITIONS
		72
		73		0. Definitions.
		74
		75		"This License" refers to version 3 of the GNU General Public License.
		76
		77		"Copyright" also means copyright-like laws that apply to other kinds of
		78		works, such as semiconductor masks.
		79
		80		"The Program" refers to any copyrightable work licensed under this
		81		License. Each licensee is addressed as "you". "Licensees" and
		82		"recipients" may be individuals or organizations.
		83
		84		To "modify" a work means to copy from or adapt all or part of the work
		85		in a fashion requiring copyright permission, other than the making of an
		86		exact copy. The resulting work is called a "modified version" of the
		87		earlier work or a work "based on" the earlier work.
		88
		89		A "covered work" means either the unmodified Program or a work based
		90		on the Program.
		91
		92		To "propagate" a work means to do anything with it that, without
		93		permission, would make you directly or secondarily liable for
		94		infringement under applicable copyright law, except executing it on a
		95		computer or modifying a private copy. Propagation includes copying,
		96		distribution (with or without modification), making available to the
		97		public, and in some countries other activities as well.
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		99		To "convey" a work means any kind of propagation that enables other
		100		parties to make or receive copies. Mere interaction with a user through
		101		a computer network, with no transfer of a copy, is not conveying.
		102
		103		An interactive user interface displays "Appropriate Legal Notices"
		104		to the extent that it includes a convenient and prominently visible
		105		feature that (1) displays an appropriate copyright notice, and (2)
		106		tells the user that there is no warranty for the work (except to the
		107		extent that warranties are provided), that licensees may convey the
		108		work under this License, and how to view a copy of this License. If
		109		the interface presents a list of user commands or options, such as a
		110		menu, a prominent item in the list meets this criterion.
		111
		112		1. Source Code.
		113
		114		The "source code" for a work means the preferred form of the work
		115		for making modifications to it. "Object code" means any non-source
		116		form of a work.
		117
		118		A "Standard Interface" means an interface that either is an official
		119		standard defined by a recognized standards body, or, in the case of
		120		interfaces specified for a particular programming language, one that
		121		is widely used among developers working in that language.
		122
		123		The "System Libraries" of an executable work include anything, other
		124		than the work as a whole, that (a) is included in the normal form of
		125		packaging a Major Component, but which is not part of that Major
		126		Component, and (b) serves only to enable use of the work with that
		127		Major Component, or to implement a Standard Interface for which an
		128		implementation is available to the public in source code form. A
		129		"Major Component", in this context, means a major essential component
		130		(kernel, window system, and so on) of the specific operating system
		131		(if any) on which the executable work runs, or a compiler used to
		132		produce the work, or an object code interpreter used to run it.
		133
		134		The "Corresponding Source" for a work in object code form means all
		135		the source code needed to generate, install, and (for an executable
		136		work) run the object code and to modify the work, including scripts to
		137		control those activities. However, it does not include the work's
		138		System Libraries, or general-purpose tools or generally available free
		139		programs which are used unmodified in performing those activities but
		140		which are not part of the work. For example, Corresponding Source
		141		includes interface definition files associated with source files for
		142		the work, and the source code for shared libraries and dynamically
		143		linked subprograms that the work is specifically designed to require,
		144		such as by intimate data communication or control flow between those
		145		subprograms and other parts of the work.
		146
		147		The Corresponding Source need not include anything that users
		148		can regenerate automatically from other parts of the Corresponding
		149		Source.
		150
		151		The Corresponding Source for a work in source code form is that
		152		same work.
		153
		154		2. Basic Permissions.
		155
		156		All rights granted under this License are granted for the term of
		157		copyright on the Program, and are irrevocable provided the stated
		158		conditions are met. This License explicitly affirms your unlimited
		159		permission to run the unmodified Program. The output from running a
		160		covered work is covered by this License only if the output, given its
		161		content, constitutes a covered work. This License acknowledges your
		162		rights of fair use or other equivalent, as provided by copyright law.
		163
		164		You may make, run and propagate covered works that you do not
		165		convey, without conditions so long as your license otherwise remains
		166		in force. You may convey covered works to others for the sole purpose
		167		of having them make modifications exclusively for you, or provide you
		168		with facilities for running those works, provided that you comply with
		169		the terms of this License in conveying all material for which you do
		170		not control copyright. Those thus making or running the covered works
		171		for you must do so exclusively on your behalf, under your direction
		172		and control, on terms that prohibit them from making any copies of
		173		your copyrighted material outside their relationship with you.
		174
		175		Conveying under any other circumstances is permitted solely under
		176		the conditions stated below. Sublicensing is not allowed; section 10
		177		makes it unnecessary.
		178
		179		3. Protecting Users' Legal Rights From Anti-Circumvention Law.
		180
		181		No covered work shall be deemed part of an effective technological
		182		measure under any applicable law fulfilling obligations under article
		183		11 of the WIPO copyright treaty adopted on 20 December 1996, or
		184		similar laws prohibiting or restricting circumvention of such
		185		measures.
		186
		187		When you convey a covered work, you waive any legal power to forbid
		188		circumvention of technological measures to the extent such circumvention
		189		is effected by exercising rights under this License with respect to
		190		the covered work, and you disclaim any intention to limit operation or
		191		modification of the work as a means of enforcing, against the work's
		192		users, your or third parties' legal rights to forbid circumvention of
		193		technological measures.
		194
		195		4. Conveying Verbatim Copies.
		196
		197		You may convey verbatim copies of the Program's source code as you
		198		receive it, in any medium, provided that you conspicuously and
		199		appropriately publish on each copy an appropriate copyright notice;
		200		keep intact all notices stating that this License and any
		201		non-permissive terms added in accord with section 7 apply to the code;
		202		keep intact all notices of the absence of any warranty; and give all
		203		recipients a copy of this License along with the Program.
		204
		205		You may charge any price or no price for each copy that you convey,
		206		and you may offer support or warranty protection for a fee.
		207
		208		5. Conveying Modified Source Versions.
		209
		210		You may convey a work based on the Program, or the modifications to
		211		produce it from the Program, in the form of source code under the
		212		terms of section 4, provided that you also meet all of these conditions:
		213
		214		a) The work must carry prominent notices stating that you modified
		215		it, and giving a relevant date.
		216
		217		b) The work must carry prominent notices stating that it is
		218		released under this License and any conditions added under section
		219		7. This requirement modifies the requirement in section 4 to
		220		"keep intact all notices".
		221
		222		c) You must license the entire work, as a whole, under this
		223		License to anyone who comes into possession of a copy. This
		224		License will therefore apply, along with any applicable section 7
		225		additional terms, to the whole of the work, and all its parts,
		226		regardless of how they are packaged. This License gives no
		227		permission to license the work in any other way, but it does not
		228		invalidate such permission if you have separately received it.
		229
		230		d) If the work has interactive user interfaces, each must display
		231		Appropriate Legal Notices; however, if the Program has interactive
		232		interfaces that do not display Appropriate Legal Notices, your
		233		work need not make them do so.
		234
		235		A compilation of a covered work with other separate and independent
		236		works, which are not by their nature extensions of the covered work,
		237		and which are not combined with it such as to form a larger program,
		238		in or on a volume of a storage or distribution medium, is called an
		239		"aggregate" if the compilation and its resulting copyright are not
		240		used to limit the access or legal rights of the compilation's users
		241		beyond what the individual works permit. Inclusion of a covered work
		242		in an aggregate does not cause this License to apply to the other
		243		parts of the aggregate.
		244
		245		6. Conveying Non-Source Forms.
		246
		247		You may convey a covered work in object code form under the terms
		248		of sections 4 and 5, provided that you also convey the
		249		machine-readable Corresponding Source under the terms of this License,
		250		in one of these ways:
		251
		252		a) Convey the object code in, or embodied in, a physical product
		253		(including a physical distribution medium), accompanied by the
		254		Corresponding Source fixed on a durable physical medium
		255		customarily used for software interchange.
		256
		257		b) Convey the object code in, or embodied in, a physical product
		258		(including a physical distribution medium), accompanied by a
		259		written offer, valid for at least three years and valid for as
		260		long as you offer spare parts or customer support for that product
		261		model, to give anyone who possesses the object code either (1) a
		262		copy of the Corresponding Source for all the software in the
		263		product that is covered by this License, on a durable physical
		264		medium customarily used for software interchange, for a price no
		265		more than your reasonable cost of physically performing this
		266		conveying of source, or (2) access to copy the
		267		Corresponding Source from a network server at no charge.
		268
		269		c) Convey individual copies of the object code with a copy of the
		270		written offer to provide the Corresponding Source. This
		271		alternative is allowed only occasionally and noncommercially, and
		272		only if you received the object code with such an offer, in accord
		273		with subsection 6b.
		274
		275		d) Convey the object code by offering access from a designated
		276		place (gratis or for a charge), and offer equivalent access to the
		277		Corresponding Source in the same way through the same place at no
		278		further charge. You need not require recipients to copy the
		279		Corresponding Source along with the object code. If the place to
		280		copy the object code is a network server, the Corresponding Source
		281		may be on a different server (operated by you or a third party)
		282		that supports equivalent copying facilities, provided you maintain
		283		clear directions next to the object code saying where to find the
		284		Corresponding Source. Regardless of what server hosts the
		285		Corresponding Source, you remain obligated to ensure that it is
		286		available for as long as needed to satisfy these requirements.
		287
		288		e) Convey the object code using peer-to-peer transmission, provided
		289		you inform other peers where the object code and Corresponding
		290		Source of the work are being offered to the general public at no
		291		charge under subsection 6d.
		292
		293		A separable portion of the object code, whose source code is excluded
		294		from the Corresponding Source as a System Library, need not be
		295		included in conveying the object code work.
		296
		297		A "User Product" is either (1) a "consumer product", which means any
		298		tangible personal property which is normally used for personal, family,
		299		or household purposes, or (2) anything designed or sold for incorporation
		300		into a dwelling. In determining whether a product is a consumer product,
		301		doubtful cases shall be resolved in favor of coverage. For a particular
		302		product received by a particular user, "normally used" refers to a
		303		typical or common use of that class of product, regardless of the status
		304		of the particular user or of the way in which the particular user
		305		actually uses, or expects or is expected to use, the product. A product
		306		is a consumer product regardless of whether the product has substantial
		307		commercial, industrial or non-consumer uses, unless such uses represent
		308		the only significant mode of use of the product.
		309
		310		"Installation Information" for a User Product means any methods,
		311		procedures, authorization keys, or other information required to install
		312		and execute modified versions of a covered work in that User Product from
		313		a modified version of its Corresponding Source. The information must
		314		suffice to ensure that the continued functioning of the modified object
		315		code is in no case prevented or interfered with solely because
		316		modification has been made.
		317
		318		If you convey an object code work under this section in, or with, or
		319		specifically for use in, a User Product, and the conveying occurs as
		320		part of a transaction in which the right of possession and use of the
		321		User Product is transferred to the recipient in perpetuity or for a
		322		fixed term (regardless of how the transaction is characterized), the
		323		Corresponding Source conveyed under this section must be accompanied
		324		by the Installation Information. But this requirement does not apply
		325		if neither you nor any third party retains the ability to install
		326		modified object code on the User Product (for example, the work has
		327		been installed in ROM).
		328
		329		The requirement to provide Installation Information does not include a
		330		requirement to continue to provide support service, warranty, or updates
		331		for a work that has been modified or installed by the recipient, or for
		332		the User Product in which it has been modified or installed. Access to a
		333		network may be denied when the modification itself materially and
		334		adversely affects the operation of the network or violates the rules and
		335		protocols for communication across the network.
		336
		337		Corresponding Source conveyed, and Installation Information provided,
		338		in accord with this section must be in a format that is publicly
		339		documented (and with an implementation available to the public in
		340		source code form), and must require no special password or key for
		341		unpacking, reading or copying.
		342
		343		7. Additional Terms.
		344
		345		"Additional permissions" are terms that supplement the terms of this
		346		License by making exceptions from one or more of its conditions.
		347		Additional permissions that are applicable to the entire Program shall
		348		be treated as though they were included in this License, to the extent
		349		that they are valid under applicable law. If additional permissions
		350		apply only to part of the Program, that part may be used separately
		351		under those permissions, but the entire Program remains governed by
		352		this License without regard to the additional permissions.
		353
		354		When you convey a copy of a covered work, you may at your option
		355		remove any additional permissions from that copy, or from any part of
		356		it. (Additional permissions may be written to require their own
		357		removal in certain cases when you modify the work.) You may place
		358		additional permissions on material, added by you to a covered work,
		359		for which you have or can give appropriate copyright permission.
		360
		361		Notwithstanding any other provision of this License, for material you
		362		add to a covered work, you may (if authorized by the copyright holders of
		363		that material) supplement the terms of this License with terms:
		364
		365		a) Disclaiming warranty or limiting liability differently from the
		366		terms of sections 15 and 16 of this License; or
		367
		368		b) Requiring preservation of specified reasonable legal notices or
		369		author attributions in that material or in the Appropriate Legal
		370		Notices displayed by works containing it; or
		371
		372		c) Prohibiting misrepresentation of the origin of that material, or
		373		requiring that modified versions of such material be marked in
		374		reasonable ways as different from the original version; or
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		376		d) Limiting the use for publicity purposes of names of licensors or
		377		authors of the material; or
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		379		e) Declining to grant rights under trademark law for use of some
		380		trade names, trademarks, or service marks; or
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		382		f) Requiring indemnification of licensors and authors of that
		383		material by anyone who conveys the material (or modified versions of
		384		it) with contractual assumptions of liability to the recipient, for
		385		any liability that these contractual assumptions directly impose on
		386		those licensors and authors.
		387
		388		All other non-permissive additional terms are considered "further
		389		restrictions" within the meaning of section 10. If the Program as you
		390		received it, or any part of it, contains a notice stating that it is
		391		governed by this License along with a term that is a further
		392		restriction, you may remove that term. If a license document contains
		393		a further restriction but permits relicensing or conveying under this
		394		License, you may add to a covered work material governed by the terms
		395		of that license document, provided that the further restriction does
		396		not survive such relicensing or conveying.
		397
		398		If you add terms to a covered work in accord with this section, you
		399		must place, in the relevant source files, a statement of the
		400		additional terms that apply to those files, or a notice indicating
		401		where to find the applicable terms.
		402
		403		Additional terms, permissive or non-permissive, may be stated in the
		404		form of a separately written license, or stated as exceptions;
		405		the above requirements apply either way.
		406
		407		8. Termination.
		408
		409		You may not propagate or modify a covered work except as expressly
		410		provided under this License. Any attempt otherwise to propagate or
		411		modify it is void, and will automatically terminate your rights under
		412		this License (including any patent licenses granted under the third
		413		paragraph of section 11).
		414
		415		However, if you cease all violation of this License, then your
		416		license from a particular copyright holder is reinstated (a)
		417		provisionally, unless and until the copyright holder explicitly and
		418		finally terminates your license, and (b) permanently, if the copyright
		419		holder fails to notify you of the violation by some reasonable means
		420		prior to 60 days after the cessation.
		421
		422		Moreover, your license from a particular copyright holder is
		423		reinstated permanently if the copyright holder notifies you of the
		424		violation by some reasonable means, this is the first time you have
		425		received notice of violation of this License (for any work) from that
		426		copyright holder, and you cure the violation prior to 30 days after
		427		your receipt of the notice.
		428
		429		Termination of your rights under this section does not terminate the
		430		licenses of parties who have received copies or rights from you under
		431		this License. If your rights have been terminated and not permanently
		432		reinstated, you do not qualify to receive new licenses for the same
		433		material under section 10.
		434
		435		9. Acceptance Not Required for Having Copies.
		436
		437		You are not required to accept this License in order to receive or
		438		run a copy of the Program. Ancillary propagation of a covered work
		439		occurring solely as a consequence of using peer-to-peer transmission
		440		to receive a copy likewise does not require acceptance. However,
		441		nothing other than this License grants you permission to propagate or
		442		modify any covered work. These actions infringe copyright if you do
		443		not accept this License. Therefore, by modifying or propagating a
		444		covered work, you indicate your acceptance of this License to do so.
		445
		446		10. Automatic Licensing of Downstream Recipients.
		447
		448		Each time you convey a covered work, the recipient automatically
		449		receives a license from the original licensors, to run, modify and
		450		propagate that work, subject to this License. You are not responsible
		451		for enforcing compliance by third parties with this License.
		452
		453		An "entity transaction" is a transaction transferring control of an
		454		organization, or substantially all assets of one, or subdividing an
		455		organization, or merging organizations. If propagation of a covered
		456		work results from an entity transaction, each party to that
		457		transaction who receives a copy of the work also receives whatever
		458		licenses to the work the party's predecessor in interest had or could
		459		give under the previous paragraph, plus a right to possession of the
		460		Corresponding Source of the work from the predecessor in interest, if
		461		the predecessor has it or can get it with reasonable efforts.
		462
		463		You may not impose any further restrictions on the exercise of the
		464		rights granted or affirmed under this License. For example, you may
		465		not impose a license fee, royalty, or other charge for exercise of
		466		rights granted under this License, and you may not initiate litigation
		467		(including a cross-claim or counterclaim in a lawsuit) alleging that
		468		any patent claim is infringed by making, using, selling, offering for
		469		sale, or importing the Program or any portion of it.
		470
		471		11. Patents.
		472
		473		A "contributor" is a copyright holder who authorizes use under this
		474		License of the Program or a work on which the Program is based. The
		475		work thus licensed is called the contributor's "contributor version".
		476
		477		A contributor's "essential patent claims" are all patent claims
		478		owned or controlled by the contributor, whether already acquired or
		479		hereafter acquired, that would be infringed by some manner, permitted
		480		by this License, of making, using, or selling its contributor version,
		481		but do not include claims that would be infringed only as a
		482		consequence of further modification of the contributor version. For
		483		purposes of this definition, "control" includes the right to grant
		484		patent sublicenses in a manner consistent with the requirements of
		485		this License.
		486
		487		Each contributor grants you a non-exclusive, worldwide, royalty-free
		488		patent license under the contributor's essential patent claims, to
		489		make, use, sell, offer for sale, import and otherwise run, modify and
		490		propagate the contents of its contributor version.
		491
		492		In the following three paragraphs, a "patent license" is any express
		493		agreement or commitment, however denominated, not to enforce a patent
		494		(such as an express permission to practice a patent or covenant not to
		495		sue for patent infringement). To "grant" such a patent license to a
		496		party means to make such an agreement or commitment not to enforce a
		497		patent against the party.
		498
		499		If you convey a covered work, knowingly relying on a patent license,
		500		and the Corresponding Source of the work is not available for anyone
		501		to copy, free of charge and under the terms of this License, through a
		502		publicly available network server or other readily accessible means,
		503		then you must either (1) cause the Corresponding Source to be so
		504		available, or (2) arrange to deprive yourself of the benefit of the
		505		patent license for this particular work, or (3) arrange, in a manner
		506		consistent with the requirements of this License, to extend the patent
		507		license to downstream recipients. "Knowingly relying" means you have
		508		actual knowledge that, but for the patent license, your conveying the
		509		covered work in a country, or your recipient's use of the covered work
		510		in a country, would infringe one or more identifiable patents in that
		511		country that you have reason to believe are valid.
		512
		513		If, pursuant to or in connection with a single transaction or
		514		arrangement, you convey, or propagate by procuring conveyance of, a
		515		covered work, and grant a patent license to some of the parties
		516		receiving the covered work authorizing them to use, propagate, modify
		517		or convey a specific copy of the covered work, then the patent license
		518		you grant is automatically extended to all recipients of the covered
		519		work and works based on it.
		520
		521		A patent license is "discriminatory" if it does not include within
		522		the scope of its coverage, prohibits the exercise of, or is
		523		conditioned on the non-exercise of one or more of the rights that are
		524		specifically granted under this License. You may not convey a covered
		525		work if you are a party to an arrangement with a third party that is
		526		in the business of distributing software, under which you make payment
		527		to the third party based on the extent of your activity of conveying
		528		the work, and under which the third party grants, to any of the
		529		parties who would receive the covered work from you, a discriminatory
		530		patent license (a) in connection with copies of the covered work
		531		conveyed by you (or copies made from those copies), or (b) primarily
		532		for and in connection with specific products or compilations that
		533		contain the covered work, unless you entered into that arrangement,
		534		or that patent license was granted, prior to 28 March 2007.
		535
		536		Nothing in this License shall be construed as excluding or limiting
		537		any implied license or other defenses to infringement that may
		538		otherwise be available to you under applicable patent law.
		539
		540		12. No Surrender of Others' Freedom.
		541
		542		If conditions are imposed on you (whether by court order, agreement or
		543		otherwise) that contradict the conditions of this License, they do not
		544		excuse you from the conditions of this License. If you cannot convey a
		545		covered work so as to satisfy simultaneously your obligations under this
		546		License and any other pertinent obligations, then as a consequence you may
		547		not convey it at all. For example, if you agree to terms that obligate you
		548		to collect a royalty for further conveying from those to whom you convey
		549		the Program, the only way you could satisfy both those terms and this
		550		License would be to refrain entirely from conveying the Program.
		551
		552		13. Use with the GNU Affero General Public License.
		553
		554		Notwithstanding any other provision of this License, you have
		555		permission to link or combine any covered work with a work licensed
		556		under version 3 of the GNU Affero General Public License into a single
		557		combined work, and to convey the resulting work. The terms of this
		558		License will continue to apply to the part which is the covered work,
		559		but the special requirements of the GNU Affero General Public License,
		560		section 13, concerning interaction through a network will apply to the
		561		combination as such.
		562
		563		14. Revised Versions of this License.
		564
		565		The Free Software Foundation may publish revised and/or new versions of
		566		the GNU General Public License from time to time. Such new versions will
		567		be similar in spirit to the present version, but may differ in detail to
		568		address new problems or concerns.
		569
		570		Each version is given a distinguishing version number. If the
		571		Program specifies that a certain numbered version of the GNU General
		572		Public License "or any later version" applies to it, you have the
		573		option of following the terms and conditions either of that numbered
		574		version or of any later version published by the Free Software
		575		Foundation. If the Program does not specify a version number of the
		576		GNU General Public License, you may choose any version ever published
		577		by the Free Software Foundation.
		578
		579		If the Program specifies that a proxy can decide which future
		580		versions of the GNU General Public License can be used, that proxy's
		581		public statement of acceptance of a version permanently authorizes you
		582		to choose that version for the Program.
		583
		584		Later license versions may give you additional or different
		585		permissions. However, no additional obligations are imposed on any
		586		author or copyright holder as a result of your choosing to follow a
		587		later version.
		588
		589		15. Disclaimer of Warranty.
		590
		591		THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
		592		APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
		593		HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
		594		OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
		595		THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
		596		PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
		597		IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
		598		ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
		599
		600		16. Limitation of Liability.
		601
		602		IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
		603		WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
		604		THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
		605		GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
		606		USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
		607		DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
		608		PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
		609		EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
		610		SUCH DAMAGES.
		611
		612		17. Interpretation of Sections 15 and 16.
		613
		614		If the disclaimer of warranty and limitation of liability provided
		615		above cannot be given local legal effect according to their terms,
		616		reviewing courts shall apply local law that most closely approximates
		617		an absolute waiver of all civil liability in connection with the
		618		Program, unless a warranty or assumption of liability accompanies a
		619		copy of the Program in return for a fee.
		620
		621		END OF TERMS AND CONDITIONS
		622
		623		How to Apply These Terms to Your New Programs
		624
		625		If you develop a new program, and you want it to be of the greatest
		626		possible use to the public, the best way to achieve this is to make it
		627		free software which everyone can redistribute and change under these terms.
		628
		629		To do so, attach the following notices to the program. It is safest
		630		to attach them to the start of each source file to most effectively
		631		state the exclusion of warranty; and each file should have at least
		632		the "copyright" line and a pointer to where the full notice is found.
		633
		634		<one line to give the program's name and a brief idea of what it does.>
		635		Copyright (C) <year> <name of author>
		636
		637		This program is free software: you can redistribute it and/or modify
		638		it under the terms of the GNU General Public License as published by
		639		the Free Software Foundation, either version 3 of the License, or
		640		(at your option) any later version.
		641
		642		This program is distributed in the hope that it will be useful,
		643		but WITHOUT ANY WARRANTY; without even the implied warranty of
		644		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		645		GNU General Public License for more details.
		646
		647		You should have received a copy of the GNU General Public License
		648		along with this program. If not, see <http://www.gnu.org/licenses/>.
		649
		650		Also add information on how to contact you by electronic and paper mail.
		651
		652		If the program does terminal interaction, make it output a short
		653		notice like this when it starts in an interactive mode:
		654
		655		<program> Copyright (C) <year> <name of author>
		656		This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
		657		This is free software, and you are welcome to redistribute it
		658		under certain conditions; type `show c' for details.
		659
		660		The hypothetical commands `show w' and `show c' should show the appropriate
		661		parts of the General Public License. Of course, your program's commands
		662		might be different; for a GUI interface, you would use an "about box".
		663
		664		You should also get your employer (if you work as a programmer) or school,
		665		if any, to sign a "copyright disclaimer" for the program, if necessary.
		666		For more information on this, and how to apply and follow the GNU GPL, see
		667		<http://www.gnu.org/licenses/>.
		668
		669		The GNU General Public License does not permit incorporating your program
		670		into proprietary programs. If your program is a subroutine library, you
		671		may consider it more useful to permit linking proprietary applications with
		672		the library. If this is what you want to do, use the GNU Lesser General
		673		Public License instead of this License. But first, please read
		674		<http://www.gnu.org/philosophy/why-not-lgpl.html>.