Updated

coffee/C#/C++ core: Supported blending from SWF Format version 8 (it needs renderer support)
cocos2d-x: Supported Additive Blending
C#: Added Lua binding (it is disabled by default and depends on KopiLua)
swf2lwf: Added gems for portability
Publish for LWF: Bumped up publish version from 7 to 8