added ClippingRegionNode
standardized codes
modified project files and make files
restored cocos/CMakeList.txt
ClippingRegionNode --> ClippingRectangleNode
fix CMakeLists for Mac Os
removed old WP8 project files
added missing CC_USE_PHYSICS
updated for Windows 8.1
enabled console for WinRT
added check for WP8_SHADER_COMPILER
added check for WinRT and WP8
updated property sheets and pch files
updated winrt include
check for WP8_SHADER_COMPILER
added Windows 8.1 ANGLE support
fixed check for WINRT_NO_WINSOCK
added check for WP8_SHADER_COMPILER
fixed include paths
added CC_DLL to export classes