Issue #2287 CCEditBox.js has been refactoring code
Fixed #2287 fixed a bug of EditBox that its position is wrong when EditBox scaled
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2287_FixEditBoxBug
Merge pull request #982 from dingpinglv/Iss2287_FixEditBoxBug

Fixed #2287 fixed a bug of EditBox that its position is wrong when EditBox scaled