cocos2d/cocos2d-x — pull request #7568 by 2youyouo2 (2014-07-23 13:41:46+00:00)
Title: fixed init Armature blendfunc state

When render a Skin, need to judge whether it has premultiplied alpha.
If the skin has premultiplied alpha then set BlendFunc::ALPHA_PREMULTIPLIED, or set BlendFunc::ALPHA_NON_PREMULTIPLIED to its blendfunc