Add a simple abstraction for firewalls.
Add a simple abstraction for firewalls.

Some might say I should have done this from the start. They'd be absolutely correct.
yatinkumbhare/openstack-nova,jianghuaw/nova,NoBodyCam/TftpPxeBootBareMetal,projectcalico/calico-nova,gspilio/nova,termie/nova-migration-demo,hanlind/nova,klmitch/nova,sileht/deb-openstack-nova,fajoy/nova,watonyweng/nova,savi-dev/nova,houshengbo/nova_vmware_compute_driver,tudorvio/nova,paulmathews/nova,NoBodyCam/TftpPxeBootBareMetal,jeffrey4l/nova,sebrandon1/nova,rahulunair/nova,mikalstill/nova,usc-isi/extra-specs,rajalokan/nova,yrobla/nova,paulmathews/nova,cloudbase/nova-virtualbox,sridevikoushik31/nova,devendermishrajio/nova_test_latest,josephsuh/extra-specs,devendermishrajio/nova,berrange/nova,maheshp/novatest,akash1808/nova,shail2810/nova,akash1808/nova_test_latest,bigswitch/nova,usc-isi/nova,Tehsmash/nova,eneabio/nova,LoHChina/nova,belmiromoreira/nova,jianghuaw/nova,blueboxgroup/nova,varunarya10/nova_test_latest,yosshy/nova,projectcalico/calico-nova,Yusuke1987/openstack_template,petrutlucian94/nova_dev,usc-isi/nova,scripnichenko/nova,petrutlucian94/nova,Triv90/Nova,JioCloud/nova,openstack/nova,devoid/nova,ewindisch/nova,Metaswitch/calico-nova,mmnelemane/nova,aristanetworks/arista-ovs-nova,gooddata/openstack-nova,cloudbau/nova,JianyuWang/nova,sacharya/nova,akash1808/nova_test_latest,DirectXMan12/nova-hacking,yosshy/nova,gooddata/openstack-nova,Stavitsky/nova,felixma/nova,dstroppa/openstack-smartos-nova-grizzly,rajalokan/nova,rickerc/nova_audit,cloudbase/nova,silenceli/nova,vmturbo/nova,TwinkleChawla/nova,bgxavier/nova,mikalstill/nova,devoid/nova,klmitch/nova,ted-gould/nova,ewindisch/nova,citrix-openstack-build/nova,leilihh/novaha,belmiromoreira/nova,leilihh/nova,hanlind/nova,bclau/nova,alexandrucoman/vbox-nova-driver,sridevikoushik31/nova,cloudbase/nova-virtualbox,leilihh/novaha,eonpatapon/nova,ruslanloman/nova,virtualopensystems/nova,Metaswitch/calico-nova,raildo/nova,klmitch/nova,ted-gould/nova,thomasem/nova,BeyondTheClouds/nova,dstroppa/openstack-smartos-nova-grizzly,devendermishrajio/nova_test_latest,raildo/nova,maheshp/novatest,mahak/nova,sridevikoushik31/openstack,aristanetworks/arista-ovs-nova,affo/nova,eharney/nova,mahak/nova,silenceli/nova,bclau/nova,dims/nova,psiwczak/openstack,russellb/nova,NeCTAR-RC/nova,virtualopensystems/nova,eneabio/nova,KarimAllah/nova,openstack/nova,joker946/nova,rahulunair/nova,maelnor/nova,hanlind/nova,paulmathews/nova,OpenAcademy-OpenStack/nova-scheduler,termie/nova-migration-demo,Juniper/nova,LoHChina/nova,Juniper/nova,shootstar/novatest,tudorvio/nova,alaski/nova,fajoy/nova,superstack/nova,CiscoSystems/nova,alexandrucoman/vbox-nova-driver,angdraug/nova,SUSE-Cloud/nova,eonpatapon/nova,zaina/nova,takeshineshiro/nova,tangfeixiong/nova,CloudServer/nova,qwefi/nova,rickerc/nova_audit,devendermishrajio/nova,termie/pupa,KarimAllah/nova,russellb/nova,JioCloud/nova,dawnpower/nova,angdraug/nova,CiscoSystems/nova,scripnichenko/nova,Stavitsky/nova,cernops/nova,psiwczak/openstack,imsplitbit/nova,usc-isi/nova,phenoxim/nova,whitepages/nova,sridevikoushik31/openstack,zzicewind/nova,NewpTone/stacklab-nova,saleemjaveds/https-github.com-openstack-nova,maoy/zknova,joker946/nova,j-carpentier/nova,badock/nova,isyippee/nova,mmnelemane/nova,salv-orlando/MyRepo,TwinkleChawla/nova,edulramirez/nova,kimjaejoong/nova,cernops/nova,gooddata/openstack-nova,CCI-MOC/nova,shahar-stratoscale/nova,blueboxgroup/nova,sridevikoushik31/nova,anotherjesse/nova,spring-week-topos/nova-week,Brocade-OpenSource/OpenStack-DNRM-Nova,JioCloud/nova_test_latest,mandeepdhami/nova,orbitfp7/nova,phenoxim/nova,anotherjesse/nova,openstack/nova,bgxavier/nova,sridevikoushik31/openstack,dawnpower/nova,takeshineshiro/nova,petrutlucian94/nova_dev,double12gzh/nova,cyx1231st/nova,imsplitbit/nova,fnordahl/nova,vmturbo/nova,eayunstack/nova,zzicewind/nova,OpenAcademy-OpenStack/nova-scheduler,shahar-stratoscale/nova,cernops/nova,sridevikoushik31/nova,savi-dev/nova,houshengbo/nova_vmware_compute_driver,cloudbase/nova,CloudServer/nova,badock/nova,shootstar/novatest,JioCloud/nova_test_latest,apporc/nova,vmturbo/nova,zhimin711/nova,SUSE-Cloud/nova,Juniper/nova,isyippee/nova,yrobla/nova,cyx1231st/nova,anotherjesse/nova,viggates/nova,tangfeixiong/nova,termie/pupa,akash1808/nova,maheshp/novatest,russellb/nova,houshengbo/nova_vmware_compute_driver,kimjaejoong/nova,salv-orlando/MyRepo,ruslanloman/nova,nikesh-mahalka/nova,MountainWei/nova,rajalokan/nova,CEG-FYP-OpenStack/scheduler,sileht/deb-openstack-nova,barnsnake351/nova,Triv90/Nova,iuliat/nova,berrange/nova,vladikr/nova_drafts,spring-week-topos/nova-week,mandeepdhami/nova,gooddata/openstack-nova,apporc/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,double12gzh/nova,eneabio/nova,klmitch/nova,alvarolopez/nova,barnsnake351/nova,zhimin711/nova,Juniper/nova,fnordahl/nova,JianyuWang/nova,adelina-t/nova,NewpTone/stacklab-nova,dims/nova,adelina-t/nova,TieWei/nova,KarimAllah/nova,Tehsmash/nova,noironetworks/nova,orbitfp7/nova,fajoy/nova,NeCTAR-RC/nova,DirectXMan12/nova-hacking,termie/nova-migration-demo,tianweizhang/nova,ntt-sic/nova,iuliat/nova,noironetworks/nova,luogangyi/bcec-nova,maoy/zknova,BeyondT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