Added license to README

README.md

@@ -82,4 +82,22 @@ just yet.
 * **Janne Koschinski** (justJanne)  
   New deserialization, Current UI version, Annotation Processors, Push Notification frontend
 * **Pierre-Hugues Husson** (phhusson)  
-  Push Notification backend
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+  Push Notification backend
+
+##License
+
+> 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, or under the terms of the GNU Lesser General Public
+> License as published by the Free Software Foundation; either version 2.1 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 and the
+> GNU Lesser General Public License along with this program.  If not, see
+> &lt;<http://www.gnu.org/licenses/>&gt;.
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