Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3luaruntime
modify version num
Merge branch 'v3luaruntime' of https://github.com/chuanweizhang2013/cocos2d-x into v3luaruntime
Merge pull request #50 from chuanweizhang2013/v3luaruntime

modify version num