Merge pull request #25 from 2youyouo2/RefreshResSupportInCocos2dx

add timeline action
1、更新cocos2dx。
2、添加新动画line。
1, 添加动画文件
add method for PositionFrame
Merge branch 'RefreshResSupportInCocos2dx' of git://github.com/chengstory/cocos2d-x into RefreshResSupportInCocos2dx

Conflicts:
	extensions/proj.win32/libExtensions.vcxproj.filters