Closed #2429: Fixed a bug of cc.Layer's bake function.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss2429_LayerBake
Closed #2429: math.ceil to 0| (x + 0.5)
Merge pull request #2430 from dingpinglv/Iss2429_LayerBake

Closed #2429: Fixed a bug of cc.Layer's bake function.
Fixed #2433: Fix ArmatureAnimation's setMovementEventCallFunc and setFrameEventCallFunc
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Merge pull request #2434 from pandamicro/develop

Fixed #2433: Fix ArmatureAnimation's setMovementEventCallFunc and setFrameEventCallFunc
Fixed a bug of new renderer that its blend func is incorrect in Canvas Mode
Merge pull request #2435 from dingpinglv/Iss2429_LayerBake

Fixed a bug of new renderer that its blend func is incorrect in Canvas Mode
Fixed loader error (filename is not function)
Merge pull request #2437 from VisualSJ/develop-csb

Fixed loader error (filename is not function)
Fixed #2436: correct a mistake of cc.ClippingNode
Merge pull request #2438 from dingpinglv/Iss2436_ClippingNode

Fixed #2436: correct a mistake of cc.ClippingNode
Merge branches 'develop' and 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop-fix