Fix:Add lua binding of ’registerScriptHandler’、’unregisterScriptHandler’ and ’removeObjectAllHandlers’ of ScriptHandlerMgr and some constants define
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developConversion
Merge pull request #4483 from samuele3hu/developConversion

Fix:Add more lua binding functions of ScriptHandlerMgr and some constants define