Merge pull request #2 from john990/master

update WaveView's license

README.md

@@ -52,7 +52,7 @@ Layout
 ======================
 Name | License | Demo
 --- | --- | ---
-[WaveView](https://github.com/john990/WaveView) | Unknown | <img src="art/waveview.gif" width="49%">
+[WaveView](https://github.com/john990/WaveView) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/waveview.gif" width="49%">
 [ResideLayout](https://github.com/kyze8439690/ResideLayout) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/ResideLayout.gif" width="49%">
 [AndroidSwipeLayout](https://github.com/daimajia/AndroidSwipeLayout) | [MIT](http://opensource.org/licenses/MIT) | <img src="art/AndroidSwipeLayout.gif" width="49%"> <img src="art/AndroidSwipeLayout2.gif" width="49%">
 [FreeFlow](https://github.com/Comcast/FreeFlow) | [Apache License V2](https://www.apache.org/licenses/LICENSE-2.0) | <img src="art/FreeFlow.png" width="100%">