License
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		      GNU GENERAL PUBLIC LICENSE
			 Version 3, 29 June 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 General Public License is a free, copyleft license for
  software and other kinds of works.

    The licenses for most software and other practical works are designed
  to take away your freedom to share and change the works.  By contrast,
  the GNU General Public License is 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.  We, the Free Software Foundation, use the
  GNU General Public License for most of our software; it applies also to
  any other work released this way by its authors.  You can apply it to
  your programs, too.

    When we speak of free software, we are referring to freedom, not
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    To protect your rights, we need to prevent others from denying you
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    Developers that use the GNU GPL protect your rights with two steps:
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    Some devices are designed to deny users access to install or run
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    The precise terms and conditions for copying, distribution and
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			 TERMS AND CONDITIONS

    0. Definitions.

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

    "Copyright" also means copyright-like laws that apply to other kinds of
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    "The Program" refers to any copyrightable work licensed under this
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    1. Source Code.

    The "source code" for a work means the preferred form of the work
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    The Corresponding Source for a work in source code form is that
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    All rights granted under this License are granted for the term of
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      b) The work must carry prominent notices stating that it is
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    7. Additional Terms.

    "Additional permissions" are terms that supplement the terms of this
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  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
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  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
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      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
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    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
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  a further restriction but permits relicensing or conveying under this
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  not survive such relicensing or conveying.

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    Additional terms, permissive or non-permissive, may be stated in the
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    8. Termination.

    You may not propagate or modify a covered work except as expressly
  provided under this License.  Any attempt otherwise to propagate or
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  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
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  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
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  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
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  licenses to the work the party's predecessor in interest had or could
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  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,
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  consequence of further modification of the contributor version.  For
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    Each contributor grants you a non-exclusive, worldwide, royalty-free
  patent license under the contributor's essential patent claims, to
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  propagate the contents of its contributor version.

    In the following three paragraphs, a "patent license" is any express
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    If you convey a covered work, knowingly relying on a patent license,
  and the Corresponding Source of the work is not available for anyone
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  then you must either (1) cause the Corresponding Source to be so
  available, or (2) arrange to deprive yourself of the benefit of the
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  consistent with the requirements of this License, to extend the patent
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  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
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    If, pursuant to or in connection with a single transaction or
  arrangement, you convey, or propagate by procuring conveyance of, a
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  work and works based on it.

    A patent license is "discriminatory" if it does not include within
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  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
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  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. Use with the GNU Affero General Public License.

    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 Affero 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 special requirements of the GNU Affero General Public License,
  section 13, concerning interaction through a network will apply to the
  combination as such.

    14. Revised Versions of this License.

    The Free Software Foundation may publish revised and/or new versions of
  the GNU 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 General
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  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 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 General Public License can be used, that proxy's
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  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
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  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
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    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 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 General Public License for more details.

      You should have received a copy of the GNU 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 the program does terminal interaction, make it output a short
  notice like this when it starts in an interactive mode:

      {project}  Copyright (C) {year}  {fullname}
      This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
      This is free software, and you are welcome to redistribute it
      under certain conditions; type `show c' for details.

  The hypothetical commands `show w' and `show c' should show the appropriate
  parts of the General Public License.  Of course, your program's commands
  might be different; for a GUI interface, you would use an "about box".

    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 GPL, see
  <http://www.gnu.org/licenses/>.

    The GNU General Public License does not permit incorporating your program
  into proprietary programs.  If your program is a subroutine library, you
  may consider it more useful to permit linking proprietary applications with
  the library.  If this is what you want to do, use the GNU Lesser General
  Public License instead of this License.  But first, please read
  <http://www.gnu.org/philosophy/why-not-lgpl.html>.
