use native splice function for ArrayAppendObjectToIndex,ArrayAppendObjectsToIndex
Merge branch 'develop' of github.com:cocos2d/cocos2d-html5 into develop
Merge pull request #998 from 06wj/develop

update cc.ArrayAppendObjectToIndex，cc.ArrayAppendObjectsToIndex
fixed #2294 Migrate Action class to Cocos2d-x 2.1.4
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2294_MigrateActionClasses