Fixed crash
Merge branch 'master' into master_nutty_modify_relativelayout
Remove useless method
Fixed crash of reader
Merge pull request #4289 from nutty898/master_nutty_modify_bugfixed

[ci skip]Master nutty modify bugfixed
Merge branch 'master' of git://github.com/cocos2d/cocos2d-x
fixed UI animation stop cause crash