fixed #2082 fixed a bug of cc.LabelTTF, sync cc.Scale9Sprite to latest version, sync function of cc.Camera for JSB
Merge branch 'master' of https://github.com/cocos2d/cocos2d-html5 into Iss2082_FixSomeBugs
Merge pull request #899 from dingpinglv/Iss2082_FixSomeBugs

fixed #2082 fixed a bug of cc.LabelTTF, sync cc.Scale9Sprite to latest version, sync function of cc.Camera for JSB