optimize code
support frame event
fixed show error
add TextureFrame decode
fixed last frame may not step to.
change json format
add json search path
Merge branch 'RefreshResSupportInCocos2dx' of git://github.com/chengstory/cocos2d-x into RefreshResSupportInCocos2dx

Conflicts:
	extensions/CocoStudio/TimelineAction/CCFrame.cpp
	extensions/CocoStudio/TimelineAction/CCTimelineAction.cpp
revert change
Merge pull request #33 from 2youyouo2/RefreshResSupportInCocos2dx

update TimelineAction