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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
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  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.
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  34    For example, if you distribute copies of such a program, whether
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  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
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  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
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  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
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  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
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  82  "recipients" may be individuals or organizations.
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  84    To "modify" a work means to copy from or adapt all or part of the work
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 345    "Additional permissions" are terms that supplement the terms of this
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 407    8. Termination.
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 415    However, if you cease all violation of this License, then your
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 535  
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 552    13. Use with the GNU Affero General Public License.
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 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>.

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