tox.ini: Disable pep8 W503 for now
tox.ini: Disable pep8 W503 for now

Disable pep8 "W503 line break before binary operator" warning for now.
The check was recently introduced by pep8 1.6.2.

Signed-off-by: YAMAMOTO Takashi <458bba2e4a8704776b33478100c98529b639cd9e@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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