removes "include "cocos2d.h" from cocos2d files
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-x into header_dependency_fixes
Merge pull request #5101 from ricardoquesada/header_dependency_fixes

Header dependency fixes
Fixes compilation issues on Linux
Merge pull request #5102 from ricardoquesada/compile_fixes

Fixes compilation issues on Linux
close #3678:fix incorrect spacing between characters