GB2ShapeCache for cocos2d-x-2.0

I have updated the GB2ShapeCache reader class in C++ to work with the most recent version of cocos2d-x, allowing developers to continue using TexturePacker and PhysicsEditor with cocos2d-x.

Visit the project page at:
http://www.channon.us/?page_id=48

Or view the source at:
https://github.com/hannon235/GBox2DX/blob/channon_gles20/Classes/GB2ShapeCache.h
https://github.com/hannon235/GBox2DX/blob/channon_gles20/Classes/GB2ShapeCache.cpp