Issue #4277: update Cocos2d-console's reference
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into Iss4277_ReleaseV3.0
issue #4221 Correct gui constant
Merge pull request #95 from dingpinglv/Iss4277_ReleaseV3.0

Issue #4277: update Cocos2d-console's reference
Merge pull request #96 from xingsenma/master

issue #4221 Correct gui constant
close #4285: Modify the mechanism of add.*EventListener bound to js for cocos2d ui
Update the `cocos2d-x` submodule
Merge branch 'master' of https://github.com/cocos2d/cocos2d-js into bug_fix