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 <h3 style="text-align: center;">GNU AFFERO GENERAL PUBLIC LICENSE</h3>
 <p style="text-align: center;">Version 3, 19 November 2007</p>
 
 <p>Copyright © 2007 Free Software Foundation, Inc.
  &lt;<a href="https://fsf.org/">https://fsf.org/</a>&gt;</p><p>
  Everyone is permitted to copy and distribute verbatim copies
  of this license document, but changing it is not allowed.</p>
 
 <h3><a name="preamble"></a>Preamble</h3>
 
 <p>The GNU Affero General Public License is a free, copyleft license 
 for software and other kinds of works, specifically designed to ensure 
 cooperation with the community in the case of network server software.</p>
 
 <p>The licenses for most software and other practical works are designed 
 to take away your freedom to share and change the works.  By contrast, 
 our General Public Licenses are 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.</p>
 
 <p>When we speak of free software, we are referring to freedom, not 
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 have the freedom to distribute copies of free software (and charge for 
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 free programs, and that you know you can do these things.</p>
 
 <p>Developers that use our General Public Licenses protect your rights 
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 <p>A secondary benefit of defending all users' freedom is that 
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 encouraged by the resulting cooperation.  However, in the case of 
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 The GNU General Public License permits making a modified version and 
 letting the public access it on a server without ever releasing its 
 source code to the public.</p>
 
 <p>The GNU Affero General Public License is designed specifically to 
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 <p>An older license, called the Affero General Public License and 
 published by Affero, was designed to accomplish similar goals.  This is 
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 <p>The precise terms and conditions for copying, distribution and 
 modification follow.</p>
 
 <h3><a name="terms"></a>TERMS AND CONDITIONS</h3>
 
 <h4><a name="section0"></a>0. Definitions.</h4>
 
 <p>"This License" refers to version 3 of the GNU Affero General Public 
 License.</p>
 
 <p>"Copyright" also means copyright-like laws that apply to other kinds 
 of works, such as semiconductor masks.</p>
 
 <p>"The Program" refers to any copyrightable work licensed under this 
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 <p>To "propagate" a work means to do anything with it that, without 
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 <p>To "convey" a work means any kind of propagation that enables other 
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 <p>An interactive user interface displays "Appropriate Legal Notices" 
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 <h4><a name="section1"></a>1. Source Code.</h4>
 
 <p>The "source code" for a work means the preferred form of the work 
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 <p>The Corresponding Source for a work in source code form is that 
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 <h4><a name="section2"></a>2. Basic Permissions.</h4>
 
 <p>All rights granted under this License are granted for the term of 
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 <h4><a name="section3"></a>3. Protecting Users' Legal Rights From Anti-Circumvention Law.</h4>
 
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 <h4><a name="section4"></a>4. Conveying Verbatim Copies.</h4>
 
 <p>You may convey verbatim copies of the Program's source code as you 
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 <h4><a name="section5"></a>5. Conveying Modified Source Versions.</h4>
 
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 <li>b) The work must carry prominent notices stating that it is
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 <li>c) You must license the entire work, as a whole, under this
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 <h4><a name="section6"></a>6. Conveying Non-Source Forms.</h4>
 
 <p>You may convey a covered work in object code form under the terms 
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 <h4><a name="section7"></a>7. Additional Terms.</h4>
 
 <p>"Additional permissions" are terms that supplement the terms of this 
 License by making exceptions from one or more of its conditions. 
 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 
 under those permissions, but the entire Program remains governed by 
 this License without regard to the additional permissions.</p>
 
 <p>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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 additional permissions on material, added by you to a covered work, 
 for which you have or can give appropriate copyright permission.</p>
 
 <p>Notwithstanding any other provision of this License, for material you 
 add to a covered work, you may (if authorized by the copyright holders of 
 that material) supplement the terms of this License with terms:</p>
 
 <ul>
 
 <li>a) Disclaiming warranty or limiting liability differently from the
     terms of sections 15 and 16 of this License; or</li>
 
 <li>b) Requiring preservation of specified reasonable legal notices or
     author attributions in that material or in the Appropriate Legal
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 <li>c) Prohibiting misrepresentation of the origin of that material, or
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 <li>d) Limiting the use for publicity purposes of names of licensors or
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 <li>e) Declining to grant rights under trademark law for use of some
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 </ul>
 
 <p>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 
 governed by this License along with a term that is a further restriction, 
 you may remove that term.  If a license document contains a further 
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 <p>If you add terms to a covered work in accord with this section, you 
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 <p>Additional terms, permissive or non-permissive, may be stated in the 
 form of a separately written license, or stated as exceptions; 
 the above requirements apply either way.</p>
 
 <h4><a name="section8"></a>8. Termination.</h4>
 
 <p>You may not propagate or modify a covered work except as expressly 
 provided under this License.  Any attempt otherwise to propagate or 
 modify it is void, and will automatically terminate your rights under 
 this License (including any patent licenses granted under the third 
 paragraph of section 11).</p>
 
 <p>However, if you cease all violation of this License, then your 
 license from a particular copyright holder is reinstated (a) 
 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.</p>
 
 <p>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.</p>
 
 <p>Termination of your rights under this section does not terminate the 
 licenses of parties who have received copies or rights from you under 
 this License.  If your rights have been terminated and not permanently 
 reinstated, you do not qualify to receive new licenses for the same 
 material under section 10.</p>
 
 <h4><a name="section9"></a>9. Acceptance Not Required for Having Copies.</h4>
 
 <p>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.</p>
 
 <h4><a name="section10"></a>10. Automatic Licensing of Downstream Recipients.</h4>
 
 <p>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.</p>
 
 <p>An "entity transaction" is a transaction transferring control of an 
 organization, or substantially all assets of one, or subdividing an 
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 the predecessor has it or can get it with reasonable efforts.</p>
 
 <p>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.</p>
 
 <h4><a name="section11"></a>11. Patents.</h4>
 
 <p>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".</p>
 
 <p>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, 
 but do not include claims that would be infringed only as a 
 consequence of further modification of the contributor version.  For 
 purposes of this definition, "control" includes the right to grant 
 patent sublicenses in a manner consistent with the requirements of 
 this License.</p>
 
 <p>Each contributor grants you a non-exclusive, worldwide, royalty-free 
 patent license under the contributor's essential patent claims, to 
 make, use, sell, offer for sale, import and otherwise run, modify and 
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 <p>In the following three paragraphs, a "patent license" is any express 
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 sue for patent infringement).  To "grant" such a patent license to a 
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 patent against the party.</p>
 
 <p>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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 publicly available network server or other readily accessible means, 
 then you must either (1) cause the Corresponding Source to be so 
 available, or (2) arrange to deprive yourself of the benefit of the 
 patent license for this particular work, or (3) arrange, in a manner 
 consistent with the requirements of this License, to extend the patent 
 license to downstream recipients.  "Knowingly relying" means you have 
 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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 <p>If, pursuant to or in connection with a single transaction or 
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 <p>A patent license is "discriminatory" if it does not include within 
 the scope of its coverage, prohibits the exercise of, or is 
 conditioned on the non-exercise of one or more of the rights that are 
 specifically granted under this License.  You may not convey a covered 
 work if you are a party to an arrangement with a third party that is 
 in the business of distributing software, under which you make payment 
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 contain the covered work, unless you entered into that arrangement, 
 or that patent license was granted, prior to 28 March 2007.</p>
 
 <p>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.</p>
 
 <h4><a name="section12"></a>12. No Surrender of Others' Freedom.</h4>
 
 <p>If conditions are imposed on you (whether by court order, agreement or 
 otherwise) that contradict the conditions of this License, they do not 
 excuse you from the conditions of this License.  If you cannot convey a 
 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.</p>
 
 <h4><a name="section13"></a>13. Remote Network Interaction; Use with the GNU General Public License.</h4>
 
 <p>Notwithstanding any other provision of this License, if you modify the 
 Program, your modified version must prominently offer all users 
 interacting with it remotely through a computer network (if your version 
 supports such interaction) an opportunity to receive the Corresponding 
 Source of your version by providing access to the Corresponding Source 
 from a network server at no charge, through some standard or customary 
 means of facilitating copying of software.  This Corresponding Source 
 shall include the Corresponding Source for any work covered by version 3 
 of the GNU General Public License that is incorporated pursuant to the 
 following paragraph.</p>
 
 <p>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 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 work with which it is 
 combined will remain governed by version 3 of the GNU General Public 
 License.</p>
 
 <h4><a name="section14"></a>14. Revised Versions of this License.</h4>
 
 <p>The Free Software Foundation may publish revised and/or new versions of 
 the GNU Affero 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.</p>
 
 <p>Each version is given a distinguishing version number.  If the 
 Program specifies that a certain numbered version of the GNU Affero 
 General Public License "or any later version" applies to it, you have 
 the 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 Affero General Public License, you may choose any version 
 ever published by the Free Software Foundation.</p>
 
 <p>If the Program specifies that a proxy can decide which future 
 versions of the GNU Affero General Public License can be used, that 
 proxy's public statement of acceptance of a version permanently 
 authorizes you to choose that version for the Program.</p>
 
 <p>Later license versions may give you additional or different 
 permissions.  However, no additional obligations are imposed on any 
 author or copyright holder as a result of your choosing to follow a 
 later version.</p>
 
 <h4><a name="section15"></a>15. Disclaimer of Warranty.</h4>
 
 <p>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.</p>
 
 <h4><a name="section16"></a>16. Limitation of Liability.</h4>
 
 <p>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 
 SUCH DAMAGES.</p>
 
 <h4><a name="section17"></a>17. Interpretation of Sections 15 and 16.</h4>
 
 <p>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.</p>
 
 <p>END OF TERMS AND CONDITIONS</p>
 
 <h3><a name="howto"></a>How to Apply These Terms to Your New Programs</h3>
 
 <p>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.</p>
 
 <p>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.</p>
 
 <pre>    &lt;one line to give the program's name and a brief idea of what it does.&gt;
     Copyright (C) &lt;year&gt;  &lt;name of author&gt;
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero 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 Affero General Public License for more details.
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see &lt;https://www.gnu.org/licenses/&gt;.
 </pre>
 
 <p>Also add information on how to contact you by electronic and paper mail.</p>
 
 <p>If your software can interact with users remotely through a computer 
 network, you should also make sure that it provides a way for users to 
 get its source.  For example, if your program is a web application, its 
 interface could display a "Source" link that leads users to an archive 
 of the code.  There are many ways you could offer source, and different 
 solutions will be better for different programs; see section 13 for the 
 specific requirements.</p>
 
 <p>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 AGPL, see 
 &lt;<a href="https://www.gnu.org/licenses/">https://www.gnu.org/licenses/</a>&gt;.</p>