issue #3863:Rename the lua binding of the `registerScriptHandler` and `unregisterScriptHandler` of the SkeletonAnimation
fix:Resolve the compile error of the cast_type on vs
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developBug
Merge pull request #5246 from samuele3hu/developBug

issue #3863:Rename the lua binding of the `registerScriptHandler` and  `unregisterScriptHandler` of the SkeletonAnimation