diff --git a/LICENSE b/LICENSE
index 23cb790338e191e29205d6f4123882c0583ef8eb..705fefc90ea0d109996bec2ec10dc54220651a13 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,339 +1,191 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 2, June 1991
+EUROPEAN UNION PUBLIC LICENCE v. 1.2
+EUPL © the European Union 2007, 2016
+
+This European Union Public Licence (the ‘EUPL’) applies to the Work (as defined below) which is provided under the
+terms of this Licence. Any use of the Work, other than as authorised under this Licence is prohibited (to the extent such
+use is covered by a right of the copyright holder of the Work).
+The Work is provided under the terms of this Licence when the Licensor (as defined below) has placed the following
+notice immediately following the copyright notice for the Work:
+                          Licensed under the EUPL
+or has expressed by any other means his willingness to license under the EUPL.
+
+1.Definitions
+In this Licence, the following terms have the following meaning:
+— ‘The Licence’:this Licence.
+— ‘The Original Work’:the work or software distributed or communicated by the Licensor under this Licence, available
+as Source Code and also as Executable Code as the case may be.
+— ‘Derivative Works’:the works or software that could be created by the Licensee, based upon the Original Work or
+modifications thereof. This Licence does not define the extent of modification or dependence on the Original Work
+required in order to classify a work as a Derivative Work; this extent is determined by copyright law applicable in
+the country mentioned in Article 15.
+— ‘The Work’:the Original Work or its Derivative Works.
+— ‘The Source Code’:the human-readable form of the Work which is the most convenient for people to study and
+modify.
+— ‘The Executable Code’:any code which has generally been compiled and which is meant to be interpreted by
+a computer as a program.
+— ‘The Licensor’:the natural or legal person that distributes or communicates the Work under the Licence.
+— ‘Contributor(s)’:any natural or legal person who modifies the Work under the Licence, or otherwise contributes to
+the creation of a Derivative Work.
+— ‘The Licensee’ or ‘You’:any natural or legal person who makes any usage of the Work under the terms of the
+Licence.
+— ‘Distribution’ or ‘Communication’:any act of selling, giving, lending, renting, distributing, communicating,
+transmitting, or otherwise making available, online or offline, copies of the Work or providing access to its essential
+functionalities at the disposal of any other natural or legal person.
+
+2.Scope of the rights granted by the Licence
+The Licensor hereby grants You a worldwide, royalty-free, non-exclusive, sublicensable licence to do the following, for
+the duration of copyright vested in the Original Work:
+— use the Work in any circumstance and for all usage,
+— reproduce the Work,
+— modify the Work, and make Derivative Works based upon the Work,
+— communicate to the public, including the right to make available or display the Work or copies thereof to the public
+and perform publicly, as the case may be, the Work,
+— distribute the Work or copies thereof,
+— lend and rent the Work or copies thereof,
+— sublicense rights in the Work or copies thereof.
+Those rights can be exercised on any media, supports and formats, whether now known or later invented, as far as the
+applicable law permits so.
+In the countries where moral rights apply, the Licensor waives his right to exercise his moral right to the extent allowed
+by law in order to make effective the licence of the economic rights here above listed.
+The Licensor grants to the Licensee royalty-free, non-exclusive usage rights to any patents held by the Licensor, to the
+extent necessary to make use of the rights granted on the Work under this Licence.
+
+3.Communication of the Source Code
+The Licensor may provide the Work either in its Source Code form, or as Executable Code. If the Work is provided as
+Executable Code, the Licensor provides in addition a machine-readable copy of the Source Code of the Work along with
+each copy of the Work that the Licensor distributes or indicates, in a notice following the copyright notice attached to
+the Work, a repository where the Source Code is easily and freely accessible for as long as the Licensor continues to
+distribute or communicate the Work.
+
+4.Limitations on copyright
+Nothing in this Licence is intended to deprive the Licensee of the benefits from any exception or limitation to the
+exclusive rights of the rights owners in the Work, of the exhaustion of those rights or of other applicable limitations
+thereto.
+
+5.Obligations of the Licensee
+The grant of the rights mentioned above is subject to some restrictions and obligations imposed on the Licensee. Those
+obligations are the following:
+
+Attribution right: The Licensee shall keep intact all copyright, patent or trademarks notices and all notices that refer to
+the Licence and to the disclaimer of warranties. The Licensee must include a copy of such notices and a copy of the
+Licence with every copy of the Work he/she distributes or communicates. The Licensee must cause any Derivative Work
+to carry prominent notices stating that the Work has been modified and the date of modification.
+
+Copyleft clause: If the Licensee distributes or communicates copies of the Original Works or Derivative Works, this
+Distribution or Communication will be done under the terms of this Licence or of a later version of this Licence unless
+the Original Work is expressly distributed only under this version of the Licence — for example by communicating
+‘EUPL v. 1.2 only’. The Licensee (becoming Licensor) cannot offer or impose any additional terms or conditions on the
+Work or Derivative Work that alter or restrict the terms of the Licence.
+
+Compatibility clause: If the Licensee Distributes or Communicates Derivative Works or copies thereof based upon both
+the Work and another work licensed under a Compatible Licence, this Distribution or Communication can be done
+under the terms of this Compatible Licence. For the sake of this clause, ‘Compatible Licence’ refers to the licences listed
+in the appendix attached to this Licence. Should the Licensee's obligations under the Compatible Licence conflict with
+his/her obligations under this Licence, the obligations of the Compatible Licence shall prevail.
+
+Provision of Source Code: When distributing or communicating copies of the Work, the Licensee will provide
+a machine-readable copy of the Source Code or indicate a repository where this Source will be easily and freely available
+for as long as the Licensee continues to distribute or communicate the Work.
+Legal Protection: This Licence does not grant permission to use the trade names, trademarks, service marks, or names
+of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and
+reproducing the content of the copyright notice.
+
+6.Chain of Authorship
+The original Licensor warrants that the copyright in the Original Work granted hereunder is owned by him/her or
+licensed to him/her and that he/she has the power and authority to grant the Licence.
+Each Contributor warrants that the copyright in the modifications he/she brings to the Work are owned by him/her or
+licensed to him/her and that he/she has the power and authority to grant the Licence.
+Each time You accept the Licence, the original Licensor and subsequent Contributors grant You a licence to their contributions
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+
+7.Disclaimer of Warranty
+The Work is a work in progress, which is continuously improved by numerous Contributors. It is not a finished work
+and may therefore contain defects or ‘bugs’ inherent to this type of development.
+For the above reason, the Work is provided under the Licence on an ‘as is’ basis and without warranties of any kind
+concerning the Work, including without limitation merchantability, fitness for a particular purpose, absence of defects or
+errors, accuracy, non-infringement of intellectual property rights other than copyright as stated in Article 6 of this
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+This disclaimer of warranty is an essential part of the Licence and a condition for the grant of any rights to the Work.
+
+8.Disclaimer of Liability
+Except in the cases of wilful misconduct or damages directly caused to natural persons, the Licensor will in no event be
+liable for any direct or indirect, material or moral, damages of any kind, arising out of the Licence or of the use of the
+Work, including without limitation, damages for loss of goodwill, work stoppage, computer failure or malfunction, loss
+of data or any commercial damage, even if the Licensor has been advised of the possibility of such damage. However,
+the Licensor will be liable under statutory product liability laws as far such laws apply to the Work.
+
+9.Additional agreements
+While distributing the Work, You may choose to conclude an additional agreement, defining obligations or services
+consistent with this Licence. However, if accepting obligations, You may act only on your own behalf and on your sole
+responsibility, not on behalf of the original Licensor or any other Contributor, and only if You agree to indemnify,
+defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against such Contributor by
+the fact You have accepted any warranty or additional liability.
+
+10.Acceptance of the Licence
+The provisions of this Licence can be accepted by clicking on an icon ‘I agree’ placed under the bottom of a window
+displaying the text of this Licence or by affirming consent in any other similar way, in accordance with the rules of
+applicable law. Clicking on that icon indicates your clear and irrevocable acceptance of this Licence and all of its terms
+and conditions.
+Similarly, you irrevocably accept this Licence and all of its terms and conditions by exercising any rights granted to You
+by Article 2 of this Licence, such as the use of the Work, the creation by You of a Derivative Work or the Distribution
+or Communication by You of the Work or copies thereof.
+
+11.Information to the public
+In case of any Distribution or Communication of the Work by means of electronic communication by You (for example,
+by offering to download the Work from a remote location) the distribution channel or media (for example, a website)
+must at least provide to the public the information requested by the applicable law regarding the Licensor, the Licence
+and the way it may be accessible, concluded, stored and reproduced by the Licensee.
+
+12.Termination of the Licence
+The Licence and the rights granted hereunder will terminate automatically upon any breach by the Licensee of the terms
+of the Licence.
+Such a termination will not terminate the licences of any person who has received the Work from the Licensee under
+the Licence, provided such persons remain in full compliance with the Licence.
+
+13.Miscellaneous
+Without prejudice of Article 9 above, the Licence represents the complete agreement between the Parties as to the
+Work.
+If any provision of the Licence is invalid or unenforceable under applicable law, this will not affect the validity or
+enforceability of the Licence as a whole. Such provision will be construed or reformed so as necessary to make it valid
+and enforceable.
+The European Commission may publish other linguistic versions or new versions of this Licence or updated versions of
+the Appendix, so far this is required and reasonable, without reducing the scope of the rights granted by the Licence.
+New versions of the Licence will be published with a unique version number.
+All linguistic versions of this Licence, approved by the European Commission, have identical value. Parties can take
+advantage of the linguistic version of their choice.
+
+14.Jurisdiction
+Without prejudice to specific agreement between parties,
+— any litigation resulting from the interpretation of this License, arising between the European Union institutions,
+bodies, offices or agencies, as a Licensor, and any Licensee, will be subject to the jurisdiction of the Court of Justice
+of the European Union, as laid down in article 272 of the Treaty on the Functioning of the European Union,
+— any litigation arising between other parties and resulting from the interpretation of this License, will be subject to
+the exclusive jurisdiction of the competent court where the Licensor resides or conducts its primary business.
+
+15.Applicable Law
+Without prejudice to specific agreement between parties,
+— this Licence shall be governed by the law of the European Union Member State where the Licensor has his seat,
+resides or has his registered office,
+— this licence shall be governed by Belgian law if the Licensor has no seat, residence or registered office inside
+a European Union Member State.
+
+
+                                                         Appendix
+
+‘Compatible Licences’ according to Article 5 EUPL are:
+— GNU General Public License (GPL) v. 2, v. 3
+— GNU Affero General Public License (AGPL) v. 3
+— Open Software License (OSL) v. 2.1, v. 3.0
+— Eclipse Public License (EPL) v. 1.0
+— CeCILL v. 2.0, v. 2.1
+— Mozilla Public Licence (MPL) v. 2
+— GNU Lesser General Public Licence (LGPL) v. 2.1, v. 3
+— Creative Commons Attribution-ShareAlike v. 3.0 Unported (CC BY-SA 3.0) for works other than software
+— European Union Public Licence (EUPL) v. 1.1, v. 1.2
+— Québec Free and Open-Source Licence — Reciprocity (LiLiQ-R) or Strong Reciprocity (LiLiQ-R+).
+
+The European Commission may update this Appendix to later versions of the above licences without producing
+a new version of the EUPL, as long as they provide the rights granted in Article 2 of this Licence and protect the
+covered Source Code from exclusive appropriation.
+All other changes or additions to this Appendix require the production of a new EUPL version.
 
- Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The licenses for most software are designed to take away your
-freedom to share and change it.  By contrast, the GNU General Public
-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
-General Public License applies to most of the Free Software
-Foundation's software and to any other program whose authors commit to
-using it.  (Some other Free Software Foundation software is covered by
-the GNU Lesser General Public License instead.)  You can apply it to
-your programs, too.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-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
-in new free programs; and that you know you can do these things.
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-These restrictions translate to certain responsibilities for you if you
-distribute copies of the software, or if you modify it.
-
-  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
-you have.  You must make sure that they, too, receive or can get the
-source code.  And you must show them these terms so they know their
-rights.
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-(2) offer you this license which gives you legal permission to copy,
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-
-                    GNU GENERAL PUBLIC LICENSE
-   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
-
-  0. This License applies to any program or other work which contains
-a notice placed by the copyright holder saying it may be distributed
-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"
-means either the Program or any derivative work under copyright law:
-that is to say, a work containing the Program or a portion of it,
-either verbatim or with modifications and/or translated into another
-language.  (Hereinafter, translation is included without limitation in
-the term "modification".)  Each licensee is addressed as "you".
-
-Activities other than copying, distribution and modification are not
-covered by this License; they are outside its scope.  The act of
-running the Program is not restricted, and the output from the Program
-is covered only if its contents constitute a work based on the
-Program (independent of having been made by running the Program).
-Whether that is true depends on what the Program does.
-
-  1. You may copy and distribute verbatim copies of the Program's
-source code as you receive it, in any medium, provided that you
-conspicuously and appropriately publish on each copy an appropriate
-copyright notice and disclaimer of warranty; keep intact all the
-notices that refer to this License and to the absence of any warranty;
-and give any other recipients of the Program a copy of this License
-along with the Program.
-
-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.
-
-  2. You may modify your copy or copies of the Program or any portion
-of it, thus forming a work based on the Program, and copy and
-distribute such modifications or work under the terms of Section 1
-above, provided that you also meet all of these conditions:
-
-    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 work that you distribute or publish, that in
-    whole or in part contains or is derived from the Program or any
-    part thereof, to be licensed as a whole at no charge to all third
-    parties under the terms of this License.
-
-    c) If the modified program normally reads commands interactively
-    when run, you must cause it, when started running for such
-    interactive use in the most ordinary way, to print or display an
-    announcement including an appropriate copyright notice and a
-    notice that there is no warranty (or else, saying that you provide
-    a warranty) and that users may redistribute the program under
-    these conditions, and telling the user how to view a copy of this
-    License.  (Exception: if the Program itself is interactive but
-    does not normally print such an announcement, your work based on
-    the Program is not required to print an announcement.)
-
-These requirements apply to the modified work as a whole.  If
-identifiable sections of that work are not derived from the Program,
-and can be reasonably considered independent and separate works in
-themselves, then this License, and its terms, do not apply to those
-sections when you distribute them as separate works.  But when you
-distribute the same sections as part of a whole which is a work based
-on the Program, the distribution of the whole must be on the terms of
-this License, whose permissions for other licensees extend to the
-entire whole, and thus to each and every part regardless of who wrote it.
-
-Thus, it is not the intent of this section to claim rights or contest
-your rights to work written entirely by you; rather, the intent is to
-exercise the right to control the distribution of derivative or
-collective works based on the Program.
-
-In addition, mere aggregation of another work not based on the Program
-with the Program (or with a work based on the Program) on a volume of
-a storage or distribution medium does not bring the other work under
-the scope of this License.
-
-  3. You may copy and distribute the Program (or a work based on it,
-under Section 2) in object code or executable form under the terms of
-Sections 1 and 2 above provided that you also do one of the following:
-
-    a) Accompany it with the complete corresponding machine-readable
-    source code, which must be distributed under the terms of Sections
-    1 and 2 above on a medium customarily used for software interchange; or,
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-    years, to give any third party, for a charge no more than your
-    cost of physically performing source distribution, a complete
-    machine-readable copy of the corresponding source code, to be
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-    c) Accompany it with the information you received as to the offer
-    to distribute corresponding source code.  (This alternative is
-    allowed only for noncommercial distribution and only if you
-    received the program in object code or executable form with such
-    an offer, in accord with Subsection b above.)
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-compelled to copy the source along with the object code.
-
-  4. You may not copy, modify, sublicense, or distribute the Program
-except as expressly provided under this License.  Any attempt
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-void, and will automatically terminate your rights under this License.
-However, parties who have received copies, or rights, from you under
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-parties remain in full compliance.
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-  5. You are not required to accept this License, since you have not
-signed it.  However, nothing else grants you permission to modify or
-distribute the Program or its derivative works.  These actions are
-prohibited by law if you do not accept this License.  Therefore, by
-modifying or distributing the Program (or any work based on the
-Program), you indicate your acceptance of this License to do so, and
-all its terms and conditions for copying, distributing or modifying
-the Program or works based on it.
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-  6. Each time you redistribute the Program (or any work based on the
-Program), the recipient automatically receives a license from the
-original licensor to copy, distribute or modify the Program subject to
-these terms and conditions.  You may not impose any further
-restrictions on the recipients' exercise of the rights granted herein.
-You are not responsible for enforcing compliance by third parties to
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-  7. If, as a consequence of a court judgment or allegation of patent
-infringement or for any other reason (not limited to patent issues),
-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
-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
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-
-It is not the purpose of this section to induce you to infringe any
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-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
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-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.