Modify the mechanism of  add.*EventListener bound to lua for cocos2d ui
Update the submodule about `cocos2d-x`
Merge branch 'master' of https://github.com/cocos2d/cocos2d-lua into tip_generator
close #4284:Update the submodule about cocos2d-x
Updates cocos2d-x
Merge branch 'master' of https://github.com/cocos2d/cocos2d-lua into tip_generator
Merge pull request #40 from dumganhar/master

Updates cocos2d-x
Merge branch 'master' of https://github.com/cocos2d/cocos2d-lua into tip_generator
Merge pull request #41 from samuele3hu/tip_generator

Modify the mechanism of add.*EventListener bound to lua for cocos2d ui
Merge branch 'master' of https://github.com/cocos2d/cocos2d-lua
update main.lua fixed schedule