Add cc.RESOLUTION_POLICY to jsb_cocos2d.js,so it can use setDesignResolutionSize in cc.EGLView
Fixed name
Merge pull request #3978 from HoGarfield/cc.RESOLUTION_POLICY

Add cc.RESOLUTION_POLICY to jsb_cocos2d.js,so it can use setDesignResolutionSize in cc.EGLView