Update CocosSharp PCL interface
Update CocosSharp PCL interface

mono/CocosSharp,zmaruo/CocosSharp,TukekeSoft/CocosSharp,haithemaraissia/CocosSharp,MSylvia/CocosSharp,TukekeSoft/CocosSharp,MSylvia/CocosSharp,zmaruo/CocosSharp,haithemaraissia/CocosSharp,mono/CocosSharp