Updating CCRenderTexture to make use of CCDrawManager singleton
Updating CCRenderTexture to make use of CCDrawManager singleton

MSylvia/CocosSharp,TukekeSoft/CocosSharp,netonjm/CocosSharp,zmaruo/CocosSharp,haithemaraissia/CocosSharp,mono/CocosSharp,MSylvia/CocosSharp,mono/CocosSharp,zmaruo/CocosSharp,hig-ag/CocosSharp,TukekeSoft/CocosSharp,hig-ag/CocosSharp,haithemaraissia/CocosSharp,netonjm/CocosSharp