Added joins example and logosmash
Added joins example and logosmash

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