Added licenses for website source code and content

LICENSE.txt

+This product includes both public domain code and licensed code as described below.
+For all code, unless otherwise stated in the appropriate license, the following applies:
+
+
+                            NO WARRANTY
+
+  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.
+
+  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.
+
+
+
+LICENSES
+--------
+
+Website source code:
+Public domain except as listed below:
+
+   i2pwww/extensions.py:
+   Copyright (c) 2014, str4d
+   See licenses/LICENSE-GPLv3.txt
+
+
+Website content, text, images etc. (except as listed below):
+Copyright (c) 2004 - 2015 I2P
+See https://creativecommons.org/licenses/by-sa/4.0/
+
+   Flag icons (i2p2www/static/images/flags/):
+     - Jersey and EU flag icons: public domain, courtesy Xrmap flag
+       collection http://www.arvernes.com/wiki/index.php/Xrmap
+     - Guernsey and Isle of Man flags from the Open Clip Art Library, released into the public domain
+     - Curaçao, courtesy of David Benbennick, released into the public domain
+     - All other flag icons: public domain, courtesy mjames@gmail.com http://www.famfamfam.com/

i2p2www/pages/global/footer.html

@@ -31,3 +31,8 @@
       <div class='aside fifth'>
         <a class='button' href="{{ site_url('get-involved/donate') }}">{{ _('Donate') }}</a>
       </div>
+      <div class='aside sixth'>
+        <ul>
+          <li><a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="{{ url_for('static', filename='images/cc-by-sa-4.0.png') }}" /></a><br />Except where otherwise noted, content on this site is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.</li>
+        </ul>
+      </div>