sw test tool: Add support for initialization of group tables
sw test tool: Add support for initialization of group tables

Signed-off-by: Yuichi Ito <7a83edf5b53f0b21d4182a3da7518164ce03dc3a@gmail.com>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

yamt/ryu,haniehrajabi/ryu,yamt/ryu,ttsubo/ryu,habibiefaried/ryu,gopchandani/ryu,umkcdcrg01/ryu_openflow,lsqtongxin/ryu,ttsubo/ryu,fkakuma/ryu,lsqtongxin/ryu,muzixing/ryu,hisaharu/ryu,ynkjm/ryu,shinpeimuraoka/ryu,jalilm/ryu,zyq001/ryu,hisaharu/ryu,openvapour/ryu,zangree/ryu,jkoelker/ryu,TakeshiTseng/ryu,ysywh/ryu,jazzmes/ryu,Tesi-Luca-Davide/ryu,lzppp/mylearning,iwaseyusuke/ryu,gopchandani/ryu,openvapour/ryu,lzppp/mylearning,umkcdcrg01/ryu_openflow,lzppp/mylearning,gopchandani/ryu,jalilm/ryu,zyq001/ryu,alanquillin/ryu,jalilm/ryu,elahejalalpour/ELRyu,alanquillin/ryu,sivaramakrishnansr/ryu,darjus-amzn/ryu,sivaramakrishnansr/ryu,Tejas-Subramanya/RYU_MEC,yamt/ryu,zangree/ryu,lzppp/mylearning,Tesi-Luca-Davide/ryu,StephenKing/ryu,pichuang/ryu,jalilm/ryu,TakeshiTseng/ryu,fujita/ryu,Zouyiran/ryu,pichuang/ryu,TakeshiTseng/ryu,iwaseyusuke/ryu,osrg/ryu,Tejas-Subramanya/RYU_MEC,osrg/ryu,OpenState-SDN/ryu,zangree/ryu,OpenState-SDN/ryu,takahashiminoru/ryu,habibiefaried/ryu,alanquillin/ryu,Tesi-Luca-Davide/ryu,haniehrajabi/ryu,John-Lin/ryu,ttsubo/ryu,StephenKing/summerschool-2015-ryu,Tesi-Luca-Davide/ryu,shinpeimuraoka/ryu,StephenKing/summerschool-2015-ryu,pichuang/ryu,fkakuma/ryu,zyq001/ryu,gopchandani/ryu,evanscottgray/ryu,lagopus/ryu-lagopus-ext,Tesi-Luca-Davide/ryu,ttsubo/ryu,darjus-amzn/ryu,diogommartins/ryu,darjus-amzn/ryu,lagopus/ryu-lagopus-ext,takahashiminoru/ryu,evanscottgray/ryu,StephenKing/ryu,darjus-amzn/ryu,fkakuma/ryu,diogommartins/ryu,lsqtongxin/ryu,John-Lin/ryu,fkakuma/ryu,habibiefaried/ryu,fujita/ryu,hisaharu/ryu,Zouyiran/ryu,takahashiminoru/ryu,gopchandani/ryu,hisaharu/ryu,torufuru/oolhackathon,sivaramakrishnansr/ryu,umkcdcrg01/ryu_openflow,darjus-amzn/ryu,Zouyiran/ryu,Tejas-Subramanya/RYU_MEC,habibiefaried/ryu,John-Lin/ryu,lagopus/ryu-lagopus-ext,ynkjm/ryu,ysywh/ryu,gareging/SDN_Framework,gareging/SDN_Framework,elahejalalpour/ELRyu,fujita/ryu,shinpeimuraoka/ryu,castroflavio/ryu,shinpeimuraoka/ryu,Tejas-Subramanya/RYU_MEC,OpenState-SDN/ryu,gareging/SDN_Framework,John-Lin/ryu,elahejalalpour/ELRyu,ynkjm/ryu,Tejas-Subramanya/RYU_MEC,elahejalalpour/ELRyu,elahejalalpour/ELRyu,zangree/ryu,John-Lin/ryu,jalilm/ryu,alanquillin/ryu,alyosha1879/ryu,StephenKing/ryu,lagopus/ryu-lagopus-ext,hisaharu/ryu,sivaramakrishnansr/ryu,osrg/ryu,yamt/ryu,iwaseyusuke/ryu,sivaramakrishnansr/ryu,umkcdcrg01/ryu_openflow,jkoelker/ryu,pichuang/ryu,jkoelker/ryu,ysywh/ryu,haniehrajabi/ryu,zyq001/ryu,StephenKing/summerschool-2015-ryu,habibiefaried/ryu,openvapour/ryu,torufuru/oolhackathon,diogommartins/ryu,fkakuma/ryu,TakeshiTseng/ryu,StephenKing/ryu,yamt/ryu,ynkjm/ryu,osrg/ryu,diogommartins/ryu,ysywh/ryu,lsqtongxin/ryu,ynkjm/ryu,muzixing/ryu,StephenKing/summerschool-2015-ryu,shinpeimuraoka/ryu,takahashiminoru/ryu,torufuru/oolhackathon,ysywh/ryu,fujita/ryu,openvapour/ryu,Zouyiran/ryu,fujita/ryu,jazzmes/ryu,TakeshiTseng/ryu,StephenKing/summerschool-2015-ryu,haniehrajabi/ryu,iwaseyusuke/ryu,umkcdcrg01/ryu_openflow,evanscottgray/ryu,gareging/SDN_Framework,Zouyiran/ryu,openvapour/ryu,jazzmes/ryu,castroflavio/ryu,StephenKing/ryu,lsqtongxin/ryu,alyosha1879/ryu,zyq001/ryu,haniehrajabi/ryu,lagopus/ryu-lagopus-ext,takahashiminoru/ryu,ttsubo/ryu,iwaseyusuke/ryu,castroflavio/ryu,zangree/ryu,pichuang/ryu,OpenState-SDN/ryu,muzixing/ryu,diogommartins/ryu,OpenState-SDN/ryu,alanquillin/ryu,osrg/ryu,muzixing/ryu,gareging/SDN_Framework,lzppp/mylearning,alyosha1879/ryu,alyosha1879/ryu,muzixing/ryu