Issue #1141:fixed a bug that cc.MenuItemImage's setNormalSpriteFrame, setSelectedSpriteFrame, setDisabledSpriteFrame didn't work in jsb

fixed a bug that cc.MenuItemImage's setNormalSpriteFrame, setSelectedSpriteFrame, setDisabledSpriteFrame didn't work in jsb.

https://github.com/cocos2d/cocos2d-js/issues/1141