fix wp8 compile error --add BillBoard and BillBoardTest
fix Cocos2dShaderCompile's compile error --use chipmunk static library
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3_shadercompilefix
Merge pull request #8021 from huangshiwu/v3_shadercompilefix

V3 shadercompilefix