Don't make Action be inherited from Clonable. Why??  Please refer to https://groups.google.com/forum/?hl=en#!topic/cocos2d-js-devel/dGJYz9wIb4Q , but we need to find out the real reason why VS compiler generate linking errors.
Merge pull request #2961 from dumganhar/develop

issue #2289: Don't make Action be inherited from Clonable.