'map' returns iterator like object with Python 3
'map' returns iterator like object with Python 3

Signed-off-by: Satoshi Kobayashi <7d41f65e734719a447b270760b77228d99469dae@stratosphere.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

fujita/ryu,pichuang/ryu,yamt/ryu,diogommartins/ryu,TakeshiTseng/ryu,ynkjm/ryu,takahashiminoru/ryu,gareging/SDN_Framework,ttsubo/ryu,diogommartins/ryu,habibiefaried/ryu,John-Lin/ryu,sivaramakrishnansr/ryu,hisaharu/ryu,pichuang/ryu,zyq001/ryu,Zouyiran/ryu,OpenState-SDN/ryu,diogommartins/ryu,osrg/ryu,umkcdcrg01/ryu_openflow,StephenKing/ryu,umkcdcrg01/ryu_openflow,iwaseyusuke/ryu,fkakuma/ryu,haniehrajabi/ryu,TakeshiTseng/ryu,iwaseyusuke/ryu,osrg/ryu,OpenState-SDN/ryu,StephenKing/ryu,jalilm/ryu,Tejas-Subramanya/RYU_MEC,ynkjm/ryu,osrg/ryu,lagopus/ryu-lagopus-ext,StephenKing/ryu,StephenKing/ryu,ynkjm/ryu,John-Lin/ryu,darjus-amzn/ryu,Tejas-Subramanya/RYU_MEC,lagopus/ryu-lagopus-ext,fkakuma/ryu,ysywh/ryu,zangree/ryu,Tesi-Luca-Davide/ryu,hisaharu/ryu,jalilm/ryu,umkcdcrg01/ryu_openflow,lsqtongxin/ryu,shinpeimuraoka/ryu,sivaramakrishnansr/ryu,lsqtongxin/ryu,elahejalalpour/ELRyu,jalilm/ryu,sivaramakrishnansr/ryu,zangree/ryu,Tejas-Subramanya/RYU_MEC,takahashiminoru/ryu,elahejalalpour/ELRyu,haniehrajabi/ryu,darjus-amzn/ryu,zangree/ryu,habibiefaried/ryu,Tejas-Subramanya/RYU_MEC,sivaramakrishnansr/ryu,openvapour/ryu,osrg/ryu,takahashiminoru/ryu,Tesi-Luca-Davide/ryu,ynkjm/ryu,ttsubo/ryu,TakeshiTseng/ryu,hisaharu/ryu,iwaseyusuke/ryu,fujita/ryu,TakeshiTseng/ryu,openvapour/ryu,ysywh/ryu,lsqtongxin/ryu,yamt/ryu,fkakuma/ryu,fkakuma/ryu,John-Lin/ryu,zangree/ryu,hisaharu/ryu,gareging/SDN_Framework,lagopus/ryu-lagopus-ext,Tesi-Luca-Davide/ryu,openvapour/ryu,John-Lin/ryu,lsqtongxin/ryu,darjus-amzn/ryu,John-Lin/ryu,ttsubo/ryu,diogommartins/ryu,elahejalalpour/ELRyu,Tesi-Luca-Davide/ryu,yamt/ryu,openvapour/ryu,ynkjm/ryu,pichuang/ryu,takahashiminoru/ryu,ttsubo/ryu,jalilm/ryu,pichuang/ryu,zangree/ryu,lagopus/ryu-lagopus-ext,osrg/ryu,ysywh/ryu,elahejalalpour/ELRyu,lsqtongxin/ryu,OpenState-SDN/ryu,fujita/ryu,fkakuma/ryu,habibiefaried/ryu,zyq001/ryu,darjus-amzn/ryu,OpenState-SDN/ryu,Zouyiran/ryu,hisaharu/ryu,yamt/ryu,yamt/ryu,Zouyiran/ryu,zyq001/ryu,elahejalalpour/ELRyu,alanquillin/ryu,umkcdcrg01/ryu_openflow,alanquillin/ryu,fujita/ryu,diogommartins/ryu,sivaramakrishnansr/ryu,OpenState-SDN/ryu,alanquillin/ryu,habibiefaried/ryu,Zouyiran/ryu,haniehrajabi/ryu,umkcdcrg01/ryu_openflow,Tesi-Luca-Davide/ryu,ysywh/ryu,gareging/SDN_Framework,jalilm/ryu,StephenKing/ryu,openvapour/ryu,pichuang/ryu,iwaseyusuke/ryu,shinpeimuraoka/ryu,lagopus/ryu-lagopus-ext,haniehrajabi/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,gareging/SDN_Framework,darjus-amzn/ryu,TakeshiTseng/ryu,Zouyiran/ryu,takahashiminoru/ryu,alanquillin/ryu,zyq001/ryu,ysywh/ryu,ttsubo/ryu,shinpeimuraoka/ryu,shinpeimuraoka/ryu,gareging/SDN_Framework,zyq001/ryu,alanquillin/ryu,fujita/ryu,iwaseyusuke/ryu,haniehrajabi/ryu,habibiefaried/ryu