modified project files and make files
restored cocos/CMakeList.txt
ClippingRegionNode --> ClippingRectangleNode
Merge branch 'add_ClippingRegionNode' into workBranch

Conflicts:
	build/cocos2d_libs.xcodeproj/project.pbxproj
	templates/cocos2dx_files.json
	tools/tolua/cocos2dx.ini