Add license

Author: eqrion

LICENSE

@@ -0,0 +1,14 @@
+Copyright Mozilla Foundation
+Licensed under the Apache License (Version 2.0), or the MIT license,
+(the "Licenses") at your option. You may not use this file except in
+compliance with one of the Licenses. You may obtain copies of the
+Licenses at:
+
+http://www.apache.org/licenses/LICENSE-2.0
+http://opensource.org/licenses/MIT
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the Licenses is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the Licenses for the specific language governing permissions and
+limitations under the Licenses.