doc: fix the mailing list address
doc: fix the mailing list address

Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

samrussell/ryu,lzppp/mylearning,takahashiminoru/ryu,gopchandani/ryu,ntts-clo/ryu,yamt/ryu,gareging/SDN_Framework,zangree/ryu,shinpeimuraoka/ryu,OpenState-SDN/ryu,hisaharu/ryu,habibiefaried/ryu,iwaseyusuke/ryu,haniehrajabi/ryu,lagopus/ryu-lagopus-ext,fkakuma/ryu,elahejalalpour/ELRyu,StephenKing/summerschool-2015-ryu,StephenKing/ryu,ttsubo/ryu,evanscottgray/ryu,sivaramakrishnansr/ryu,openvapour/ryu,John-Lin/ryu,diogommartins/ryu,openvapour/ryu,o3project/ryu-oe,mikhaelharswanto/ryu,darjus-amzn/ryu,habibiefaried/ryu,zyq001/ryu,ysywh/ryu,mikhaelharswanto/ryu,openvapour/ryu,shinpeimuraoka/ryu,ysywh/ryu,torufuru/oolhackathon,Zouyiran/ryu,yamada-h/ryu,ntts-clo/ryu,muzixing/ryu,lsqtongxin/ryu,iwaseyusuke/ryu,muzixing/ryu,takahashiminoru/ryu,alyosha1879/ryu,habibiefaried/ryu,gopchandani/ryu,zyq001/ryu,OpenState-SDN/ryu,ttsubo/ryu,pichuang/ryu,Tejas-Subramanya/RYU_MEC,umkcdcrg01/ryu_openflow,lsqtongxin/ryu,samrussell/ryu,alanquillin/ryu,alanquillin/ryu,iwaseyusuke/ryu,yamt/ryu,hisaharu/ryu,Tejas-Subramanya/RYU_MEC,castroflavio/ryu,muzixing/ryu,ysywh/ryu,gopchandani/ryu,jkoelker/ryu,castroflavio/ryu,muzixing/ryu,lsqtongxin/ryu,habibiefaried/ryu,pichuang/ryu,osrg/ryu,elahejalalpour/ELRyu,evanscottgray/ryu,ttsubo/ryu,haniehrajabi/ryu,ysywh/ryu,lsqtongxin/ryu,elahejalalpour/ELRyu,fujita/ryu,fujita/ryu,iwaseyusuke/ryu,zangree/ryu,jazzmes/ryu,zyq001/ryu,zyq001/ryu,hisaharu/ryu,shinpeimuraoka/ryu,lagopus/ryu-lagopus-ext,alyosha1879/ryu,fujita/ryu,elahejalalpour/ELRyu,haniehrajabi/ryu,openvapour/ryu,Tejas-Subramanya/RYU_MEC,fkakuma/ryu,yamt/ryu,citrix-openstack/build-ryu,takahashiminoru/ryu,pichuang/ryu,unifycore/ryu,Zouyiran/ryu,fujita/ryu,torufuru/oolhackathon,jalilm/ryu,jalilm/ryu,OpenState-SDN/ryu,osrg/ryu,TakeshiTseng/ryu,Zouyiran/ryu,alanquillin/ryu,Tejas-Subramanya/RYU_MEC,iwaseyusuke/ryu,diogommartins/ryu,lzppp/mylearning,haniehrajabi/ryu,yamt/ryu,jalilm/ryu,TakeshiTseng/ryu,torufuru/OFPatchPanel,lagopus/ryu-lagopus-ext,ynkjm/ryu,darjus-amzn/ryu,lagopus/ryu-lagopus-ext,shinpeimuraoka/ryu,fkakuma/ryu,zyq001/ryu,alanquillin/ryu,ntts-clo/mld-ryu,yamt/ryu,ynkjm/ryu,John-Lin/ryu,gareging/SDN_Framework,citrix-openstack/build-ryu,ynkjm/ryu,StephenKing/summerschool-2015-ryu,umkcdcrg01/ryu_openflow,StephenKing/ryu,umkcdcrg01/ryu_openflow,lzppp/mylearning,StephenKing/summerschool-2015-ryu,lzppp/mylearning,Tesi-Luca-Davide/ryu,jkoelker/ryu,TakeshiTseng/ryu,StephenKing/ryu,shinpeimuraoka/ryu,Zouyiran/ryu,umkcdcrg01/ryu_openflow,ttsubo/ryu,StephenKing/summerschool-2015-ryu,sivaramakrishnansr/ryu,darjus-amzn/ryu,Tesi-Luca-Davide/ryu,habibiefaried/ryu,jazzmes/ryu,darjus-amzn/ryu,alyosha1879/ryu,evanscottgray/ryu,fkakuma/ryu,gareging/SDN_Framework,jalilm/ryu,TakeshiTseng/ryu,elahejalalpour/ELRyu,hisaharu/ryu,yamada-h/ryu,muzixing/ryu,Tesi-Luca-Davide/ryu,OpenState-SDN/ryu,Tesi-Luca-Davide/ryu,umkcdcrg01/ryu_openflow,takahashiminoru/ryu,fkakuma/ryu,jkoelker/ryu,zangree/ryu,jalilm/ryu,alyosha1879/ryu,gareging/SDN_Framework,sivaramakrishnansr/ryu,diogommartins/ryu,unifycore/ryu,lagopus/ryu-lagopus-ext,Tesi-Luca-Davide/ryu,osrg/ryu,sivaramakrishnansr/ryu,StephenKing/ryu,diogommartins/ryu,jazzmes/ryu,OpenState-SDN/ryu,lzppp/mylearning,alanquillin/ryu,StephenKing/summerschool-2015-ryu,citrix-openstack-build/ryu,zangree/ryu,pichuang/ryu,StephenKing/ryu,o3project/ryu-oe,fujita/ryu,gopchandani/ryu,diogommartins/ryu,John-Lin/ryu,ynkjm/ryu,Zouyiran/ryu,Tejas-Subramanya/RYU_MEC,torufuru/oolhackathon,gopchandani/ryu,John-Lin/ryu,darjus-amzn/ryu,pichuang/ryu,ntts-clo/mld-ryu,lsqtongxin/ryu,ynkjm/ryu,takahashiminoru/ryu,ysywh/ryu,citrix-openstack-build/ryu,osrg/ryu,openvapour/ryu,TakeshiTseng/ryu,sivaramakrishnansr/ryu,osrg/ryu,John-Lin/ryu,hisaharu/ryu,gareging/SDN_Framework,zangree/ryu,torufuru/OFPatchPanel,ttsubo/ryu,haniehrajabi/ryu,castroflavio/ryu