Adding CCNearAndFarClipping structure:
Adding CCNearAndFarClipping structure:

* previously using CCPoint to store near and far clipping values that's used by CCCamera - not very nice

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