support Directory Reference

Directories
directory	component
directory	tinyxml2
directory	user_default

Files
file	base64.h
	base64 helper functions
file	CCNotificationCenter.h
file	CCPointExtension.h
	CCPoint extensions based on Chipmunk's cpVect file.
file	CCProfiling.h
file	ccUTF8.h
file	ccUtils.h
	Misc free functions.
file	CCVertex.h
file	TransformUtils.h