Issue #4589: Manual bind initWithFunction of CallFunc
Issue #4589: Make actions extendable in JSB pack 2
Fixed #4623: Bind TextureCache::addImageAsync and write the js wrapper for cc.textureCache.addImage
Issue #4589: Make actions extendable in JSB pack 3
Update Cocos2d-html5
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js
Merge pull request #220 from pandamicro/master

Fixed #4589: Make actions extendable in JSB