could add seach path and resolution order path in front.
Add getChildByName method for get a node that can be cast to Type T
change pure virtual function to virtual function in action series
remove unimplemented function to deprecated and give an empty implementation
add CC_DLL to Vec2
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' into v3_dll
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
Merge pull request #47 from cocos2d/v3

update cocos2d-x
move setDisplayStats function
Merge pull request #48 from chuanweizhang2013/v3luaruntime

V3luaruntime
fixed release error
Merge pull request #49 from chuanweizhang2013/v3luaruntime

fixed release error
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
Add support keep screen on when is debug