fixed transfor file error which size is 0
Merge pull request #29 from cocos2d/v3

update cocos2d-x
Merge branch 'v3luaruntime' of https://github.com/chuanweizhang2013/cocos2d-x into v3luaruntime
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3luaruntime
move getIPAddress function
Merge branch 'v3' of https://github.com/cocos2d/cocos2d-x into v3luaruntime
move setDisplayStats function
Merge pull request #48 from chuanweizhang2013/v3luaruntime

V3luaruntime