closed #3858: Pure JS class which is inherited from cc.Class will trigger an irrelevant log.
Please refer to http://www.cocos2d-x.org/issues/3858.
ComController needs to be `extend`ed. Updates cocos2dx_studio.ini.
Fix a typo, this._is_nativeObj -> this.__nativeObj.
Merge pull request #5229 from dumganhar/iss3858-jsclass-log-fix

closed #3858: Pure JS class which is inherited from cc.Class will trigger an irrelevant log.