Fixed IE9,IE10 IMG.crossOrign is not define.
Merge pull request #2279 from VisualSJ/img

Fixed IE9,IE10 IMG.crossOrign is not define.
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into Renderer
Merge branch 'Renderer' of git://github.com/cocos2d/cocos2d-html5 into Renderer
Issue #5933: Cocostudio
Merge pull request #2283 from VisualSJ/Renderer

Issue #5933: Cocostudio