Issue #5956: Add release for getFromPool
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Feature #5950 Add Facebook API  upgrade Facebook sdk
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop_new

Conflicts:
	external/pluginx/platform/facebook.js
Feature #5941: Desactivate WebGL for iOS version < 8
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
apprequest link comment
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Fixed #5964: Overwrite existing viewport to support more devices
Merge branch 'develop' of git://github.com/cocos2d/cocos2d-html5 into develop
Fixed #5956: Refactor cc.pool for JSB
Fixed #5956: Activate cc.pool for all kind of object
Merge pull request #2324 from jianglong0156/develop

Facebooktest
Merge pull request #2326 from pandamicro/develop

Issue fixes
Fixed #5941: correct some mistakes of cc.NodeGrid, CCActionGrid3D, CCActionTiledGrid and CCTransition
Merge branch 'Renderer' of https://github.com/cocos2d/cocos2d-html5 into Iss5941_WebGLRenderer
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss5941_WebGLRenderer
Merge pull request #2332 from dingpinglv/Iss5941_WebGLRenderer

Fixed #5941: correct some mistakes of cc.NodeGrid, CCActionGrid3D, CCActionTiledGrid and CCTransition