1. Upload Cocostudio Action.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into #4684
1.  update mac and iOS projects.
1.rename cocoaction system files
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into #4684
1. change files name.
1. remove CocoStudio/GUI/Action  *.cpp *.h
Merge branch '#4684' of https://github.com/chengstory/cocos2d-x into #4684
1. rename CCCActionFrameEasing.cpp to  CCActionFrameEasing.cpp.
1. fixes failed to build linux.
1. fixes failed to build iOS, mac.
Merge pull request #3671 from chengstory/#4684

Remove unused files from mk files.