rest_firewall: Prevent adding fields which is unrelated to match
rest_firewall: Prevent adding fields which is unrelated to match

This patch prevent rest_firewall.py from adding unrelated fields
(e.g. priority, actions) into match fields.

Signed-off-by: IWASE Yusuke <bb80e84cc9f5a8f01385872ee89032beb5d4eba7@gmail.com>
Signed-off-by: FUJITA Tomonori <93dac1fe9c4b2a3957982200319981492ad4976e@lab.ntt.co.jp>

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