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Merge pull request cocos2d#7507 from CocosRobot/update_lua_bindings_1…

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[AUTO]: updating luabinding automatically

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Merge pull request cocos2d#7329 from Dhilan007/v3-gc-refactor

issue cocos2d#4689:Fixed lose disconnected event and incorrect device name/id.

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Merge pull request cocos2d#6919 from dabingnn/v3.1hotfix

V3.1hotfix

Merge pull request cocos2d#6892 from samuele3hu/v3_fix

Update the OpenGL lua binding and related test case

cocos2d-x v3.1-rc0

cocos2d-x v3.1 alpha1