added notes about the refactor and some typo fixes.
added notes about the refactor and some typo fixes.

TukekeSoft/CocosSharp,TukekeSoft/CocosSharp,zmaruo/CocosSharp,haithemaraissia/CocosSharp,hig-ag/CocosSharp,mono/cocos2d-xna,mono/CocosSharp,netonjm/CocosSharp,mono/CocosSharp,mono/cocos2d-xna,zmaruo/CocosSharp,netonjm/CocosSharp,MSylvia/CocosSharp,hig-ag/CocosSharp,MSylvia/CocosSharp,haithemaraissia/CocosSharp