Merge branch 'master' of https://github.com/cocos2d/cocos2d-x
Merge branch 'master' of git://github.com/cocos2d/cocos2d-x
fixed UI animation stop cause crash
Merge branch 'master' of git://github.com/cocos2d/cocos2d-x
fix if last frame has tween effect, the display may not right
[Sync from develop branch]closed #3224: The subthread of CCHttpClient interrupts main thread if timeout signal comes.
Merge pull request #4327 from dumganhar/httpclient-crash-master

[ci skip][Sync from develop branch]closed #3224: The subthread of CCHttpClient interrupts main thread if timeout signal comes.
Revert "Merge branch 'master' of https://github.com/cocos2d/cocos2d-x"

This reverts commit 75ad83ea0a2b98aa4f21170c7442b489aa176f5b, reversing
changes made to 245c1db293271c03452111d538353e56db216f65.
Merge pull request #4329 from 2youyouo2/master

[ci skip]fix if last frame has tween effect, the display may not right
replace nullptr to NULL
Merge branch 'master' of git://github.com/cocos2d/cocos2d-x
Merge pull request #4320 from liamcindy/master

[ci skip]fixed ui anmation crash when stop animation for master
[AUTO] : updating submodule reference to latest autogenerated bindings
Merge pull request #4334 from CocosRobot/updategeneratedsubmodule_1384839802

[ci skip][AUTO] : updating submodule reference to latest autogenerated bindings