Fixed #2091: correct a mistake of ccui.ScrollView.removeAllChildreWithCleanup
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Merge pull request #2093 from dingpinglv/Iss2091_ScrollView

Fixed #2091: correct a mistake of ccui.ScrollView.removeAllChildreWithCleanup