added ClippingRegionNode
standardized codes
modified project files and make files
restored cocos/CMakeList.txt
ClippingRegionNode --> ClippingRectangleNode
added ClippingRectangleNode
added ClippingRectangleNode Test
reset  wp8 project files
added CCClippingRectangleNode.cpp to CMakeList
Merge pull request #8706 from SunLightJuly/add_ClippingRectangleNode

Add clipping rectangle node