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Apache License GNU GENERAL PUBLIC LICENSE
Version 2.0, January 2004 Version 2, June 1991
http://www.apache.org/licenses/
Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
1. Definitions. of this license document, but changing it is not allowed.
"License" shall mean the terms and conditions for use, reproduction, Preamble
and distribution as defined by Sections 1 through 9 of this document.
The licenses for most software are designed to take away your
"Licensor" shall mean the copyright owner or entity authorized by freedom to share and change it. By contrast, the GNU General Public
the copyright owner that is granting the License. License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
"Legal Entity" shall mean the union of the acting entity and all General Public License applies to most of the Free Software
other entities that control, are controlled by, or are under common Foundation's software and to any other program whose authors commit to
control with that entity. For the purposes of this definition, using it. (Some other Free Software Foundation software is covered by
"control" means (i) the power, direct or indirect, to cause the the GNU Lesser General Public License instead.) You can apply it to
direction or management of such entity, whether by contract or your programs, too.
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity. When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
"You" (or "Your") shall mean an individual or Legal Entity have the freedom to distribute copies of free software (and charge for
exercising permissions granted by this License. this service 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
"Source" form shall mean the preferred form for making modifications, in new free programs; and that you know you can do these things.
including but not limited to software source code, documentation
source, and configuration files. To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
"Object" form shall mean any form resulting from mechanical These restrictions translate to certain responsibilities for you if you
transformation or translation of a Source form, including but distribute copies of the software, or if you modify it.
not limited to compiled object code, generated documentation,
and conversions to other media types. For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
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(an example is provided in the Appendix below).
We protect your rights with two steps: (1) copyright the software, and
"Derivative Works" shall mean any work, whether in Source or Object (2) offer you this license which gives you legal permission to copy,
form, that is based on (or derived from) the Work and for which the distribute and/or modify the software.
editorial revisions, annotations, elaborations, or other modifications
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of this License, Derivative Works shall not include works that remain that everyone understands that there is no warranty for this free
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or by an individual or Legal Entity authorized to submit on behalf of program will individually obtain patent licenses, in effect making the
the copyright owner. For the purposes of this definition, "submitted" program proprietary. To prevent this, we have made it clear that any
means any form of electronic, verbal, or written communication sent patent must be licensed for everyone's free use or not licensed at all.
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems, The precise terms and conditions for copying, distribution and
and issue tracking systems that are managed by, or on behalf of, the modification follow.
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise GNU GENERAL PUBLIC LICENSE
designated in writing by the copyright owner as "Not a Contribution." TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
"Contributor" shall mean Licensor and any individual or Legal Entity 0. This License applies to any program or other work which contains
on behalf of whom a Contribution has been received by Licensor and a notice placed by the copyright holder saying it may be distributed
subsequently incorporated within the Work. under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
2. Grant of Copyright License. Subject to the terms and conditions of means either the Program or any derivative work under copyright law:
this License, each Contributor hereby grants to You a perpetual, that is to say, a work containing the Program or a portion of it,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable either verbatim or with modifications and/or translated into another
copyright license to reproduce, prepare Derivative Works of, language. (Hereinafter, translation is included without limitation in
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Work and such Derivative Works in Source or Object form.
Activities other than copying, distribution and modification are not
3. Grant of Patent License. Subject to the terms and conditions of covered by this License; they are outside its scope. The act of
this License, each Contributor hereby grants to You a perpetual, running the Program is not restricted, and the output from the Program
worldwide, non-exclusive, no-charge, royalty-free, irrevocable is covered only if its contents constitute a work based on the
(except as stated in this section) patent license to make, have made, Program (independent of having been made by running the Program).
use, offer to sell, sell, import, and otherwise transfer the Work, Whether that is true depends on what the Program does.
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their 1. You may copy and distribute verbatim copies of the Program's
Contribution(s) alone or by combination of their Contribution(s) source code as you receive it, in any medium, provided that you
with the Work to which such Contribution(s) was submitted. If You conspicuously and appropriately publish on each copy an appropriate
institute patent litigation against any entity (including a copyright notice and disclaimer of warranty; keep intact all the
cross-claim or counterclaim in a lawsuit) alleging that the Work notices that refer to this License and to the absence of any warranty;
or a Contribution incorporated within the Work constitutes direct and give any other recipients of the Program a copy of this License
or contributory patent infringement, then any patent licenses along with the Program.
granted to You under this License for that Work shall terminate
as of the date such litigation is filed. You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without 2. You may modify your copy or copies of the Program or any portion
modifications, and in Source or Object form, provided that You of it, thus forming a work based on the Program, and copy and
meet the following conditions: distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
(c) You must retain, in the Source form of any Derivative Works part thereof, to be licensed as a whole at no charge to all third
that You distribute, all copyright, patent, trademark, and parties under the terms of this License.
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of c) If the modified program normally reads commands interactively
the Derivative Works; and when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
(d) If the Work includes a "NOTICE" text file as part of its announcement including an appropriate copyright notice and a
distribution, then any Derivative Works that You distribute must notice that there is no warranty (or else, saying that you provide
include a readable copy of the attribution notices contained a warranty) and that users may redistribute the program under
within such NOTICE file, excluding those notices that do not these conditions, and telling the user how to view a copy of this
pertain to any part of the Derivative Works, in at least one License. (Exception: if the Program itself is interactive but
of the following places: within a NOTICE text file distributed does not normally print such an announcement, your work based on
as part of the Derivative Works; within the Source form or the Program is not required to print an announcement.)
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and These requirements apply to the modified work as a whole. If
wherever such third-party notices normally appear. The contents identifiable sections of that work are not derived from the Program,
of the NOTICE file are for informational purposes only and and can be reasonably considered independent and separate works in
do not modify the License. You may add Your own attribution themselves, then this License, and its terms, do not apply to those
notices within Derivative Works that You distribute, alongside sections when you distribute them as separate works. But when you
or as an addendum to the NOTICE text from the Work, provided distribute the same sections as part of a whole which is a work based
that such additional attribution notices cannot be construed on the Program, the distribution of the whole must be on the terms of
as modifying the License. this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions Thus, it is not the intent of this section to claim rights or contest
for use, reproduction, or distribution of Your modifications, or your rights to work written entirely by you; rather, the intent is to
for any such Derivative Works as a whole, provided Your use, exercise the right to control the distribution of derivative or
reproduction, and distribution of the Work otherwise complies with collective works based on the Program.
the conditions stated in this License.
In addition, mere aggregation of another work not based on the Program
5. Submission of Contributions. Unless You explicitly state otherwise, with the Program (or with a work based on the Program) on a volume of
any Contribution intentionally submitted for inclusion in the Work a storage or distribution medium does not bring the other work under
by You to the Licensor shall be under the terms and conditions of the scope of this License.
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify 3. You may copy and distribute the Program (or a work based on it,
the terms of any separate license agreement you may have executed under Section 2) in object code or executable form under the terms of
with Licensor regarding such Contributions. Sections 1 and 2 above provided that you also do one of the following:
6. Trademarks. This License does not grant permission to use the trade a) Accompany it with the complete corresponding machine-readable
names, trademarks, service marks, or product names of the Licensor, source code, which must be distributed under the terms of Sections
except as required for reasonable and customary use in describing the 1 and 2 above on a medium customarily used for software interchange; or,
origin of the Work and reproducing the content of the NOTICE file.
b) Accompany it with a written offer, valid for at least three
7. Disclaimer of Warranty. Unless required by applicable law or years, to give any third party, for a charge no more than your
agreed to in writing, Licensor provides the Work (and each cost of physically performing source distribution, a complete
Contributor provides its Contributions) on an "AS IS" BASIS, machine-readable copy of the corresponding source code, to be
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or distributed under the terms of Sections 1 and 2 above on a medium
implied, including, without limitation, any warranties or conditions customarily used for software interchange; or,
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the c) Accompany it with the information you received as to the offer
appropriateness of using or redistributing the Work and assume any to distribute corresponding source code. (This alternative is
risks associated with Your exercise of permissions under this License. allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
8. Limitation of Liability. In no event and under no legal theory, an offer, in accord with Subsection b above.)
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly The source code for a work means the preferred form of the work for
negligent acts) or agreed to in writing, shall any Contributor be making modifications to it. For an executable work, complete source
liable to You for damages, including any direct, indirect, special, code means all the source code for all modules it contains, plus any
incidental, or consequential damages of any character arising as a associated interface definition files, plus the scripts used to
result of this License or out of the use or inability to use the control compilation and installation of the executable. However, as a
Work (including but not limited to damages for loss of goodwill, special exception, the source code distributed need not include
work stoppage, computer failure or malfunction, or any and all anything that is normally distributed (in either source or binary
other commercial damages or losses), even if such Contributor form) with the major components (compiler, kernel, and so on) of the
has been advised of the possibility of such damages. operating system on which the executable runs, unless that component
itself accompanies the executable.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer, If distribution of executable or object code is made by offering
and charge a fee for, acceptance of support, warranty, indemnity, access to copy from a designated place, then offering equivalent
or other liability obligations and/or rights consistent with this access to copy the source code from the same place counts as
License. However, in accepting such obligations, You may act only distribution of the source code, even though third parties are not
on Your own behalf and on Your sole responsibility, not on behalf compelled to copy the source along with the object code.
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability 4. You may not copy, modify, sublicense, or distribute the Program
incurred by, or claims asserted against, such Contributor by reason except as expressly provided under this License. Any attempt
of your accepting any such warranty or additional liability. otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
END OF TERMS AND CONDITIONS However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
APPENDIX: How to apply the Apache License to your work. parties remain in full compliance.
To apply the Apache License to your work, attach the following 5. You are not required to accept this License, since you have not
boilerplate notice, with the fields enclosed by brackets "{}" signed it. However, nothing else grants you permission to modify or
replaced with your own identifying information. (Don't include distribute the Program or its derivative works. These actions are
the brackets!) The text should be enclosed in the appropriate prohibited by law if you do not accept this License. Therefore, by
comment syntax for the file format. We also recommend that a modifying or distributing the Program (or any work based on the
file or class name and description of purpose be included on the Program), you indicate your acceptance of this License to do so, and
same "printed page" as the copyright notice for easier all its terms and conditions for copying, distributing or modifying
identification within third-party archives. the Program or works based on it.
Copyright {yyyy} {name of copyright owner} 6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
Licensed under the Apache License, Version 2.0 (the "License"); original licensor to copy, distribute or modify the Program subject to
you may not use this file except in compliance with the License. these terms and conditions. You may not impose any further
You may obtain a copy of the License at restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
http://www.apache.org/licenses/LICENSE-2.0 this License.
Unless required by applicable law or agreed to in writing, software 7. If, as a consequence of a court judgment or allegation of patent
distributed under the License is distributed on an "AS IS" BASIS, infringement or for any other reason (not limited to patent issues),
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. conditions are imposed on you (whether by court order, agreement or
See the License for the specific language governing permissions and otherwise) that contradict the conditions of this License, they do not
limitations under the License. excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the 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 a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, 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.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE 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.
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
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{description}
Copyright (C) {year} {fullname}
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 2 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision 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, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This 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.

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