fixed #2754: Fixed the bug that _getResType error when the url of res is like "a.png?arg=value".
fixed #2760 : removeEventListener bug
Merge pull request #1103 from SmallAiTT/develop

fixed #2754: Fixed the bug that _getResType error when the url of res is...
Merge pull request #1104 from ShengxiangChen/addEventListenerBug

fixed #2760 : Stop listening or remove event for image() object onload event