Fixed a Scale9Sprite's bug
Merge pull request #1156 from dingpinglv/FixedScale9SpritesBug

Fixed a bug of cc.Scale9Sprite
Closed #2844: Rename version 2.1.6 of Cocos2d-html5 to 2.2
Merge pull request #1157 from dingpinglv/Iss2844_RenameVersion

Closed #2844: Rename version 2.1.6 of Cocos2d-html5 to 2.2