add stopActionByName()
Merge pull request #103 from pandamicro/v3

Update cocos2d-x to v3.3
Merge pull request #104 from sxd1140/v3

add stopActionByName()
Purge file utils cache instead of destroy its instance during restart
Add getSearchPaths API for Manifest
Merge branch 'v3' of git://github.com/cocos2d-html5/cocos2d-x into v3