Add cheesesquare

Author: tangqi92

README.md

@@ -1128,6 +1128,11 @@ Android 扁平化风格的组件，支持一些自定义样式
 效果图：![Renderings](https://camo.githubusercontent.com/590d4a2ac322417b71f83223bd58b83903d58343/68747470733a2f2f7261772e6769746875622e636f6d2f656c756c6563692f466c617455492f6d61737465722f73616d706c652d696d616765732f73686f77636173652e706e67)  
 <a href="https://github.com/Trinea/android-open-project#%E7%9B%AE%E5%89%8D%E5%8C%85%E6%8B%AC" title="返回目录" style="width:100%"><img src="http://farm4.staticflickr.com/3737/12167413134_edcff68e22_o.png" align="right"/></a>  
 
+1. cheesesquare  
+全新 Android 设计库演示 Demo，包括 Collapsing Toolbar、FloatingActionButton、View anchoring、NavigationView、Snackbar    
+项目地址：https://github.com/chrisbanes/cheesesquare  
+效果图：![Renderings](http://7xikfc.com1.z0.glb.clouddn.com/Screenshot_2015-07-17-12-22-07.png)  
+
 #### 十六、其他  
 1. SwipeBackLayout  
 左右或向上滑动返回的Activity