Added license to readme

Author: rosenpin

README.md

@@ -64,3 +64,20 @@ To set the timeout between text change in milliseconds you can use
 ```java
 FTV.setTimeOut(1000);
 ```
+
+
+```
+Copyright (c) Tomer Rosenfeld 2016-2017
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+```