Add rfc.sh to help with gerrit workflow.
Add rfc.sh to help with gerrit workflow.

Change-Id: If2af58cd4724b440d47385c10f202c9441cdf4bb

nadeemsyed/swift,dpgoetz/swift,xiaoguoai/ec-dev-swift,tipabu/swift,revoer/keystone-8.0.0,shibaniahegde/OpenStak_swift,Triv90/SwiftUml,prashanthpai/swift,anishnarang/gswift,redhat-openstack/swift,clayg/swift,ceph/swift,mja054/swift_plugin,clayg/swift,JioCloud/swift,daasbank/swift,bkolli/swift,citrix-openstack/build-swift,nadeemsyed/swift,levythu/swift,psachin/swift,bkolli/swift,matthewoliver/swift,notmyname/swift,hurricanerix/swift,orion/swift-config,Mirantis/swift-encrypt,tsli/test,xiaoguoai/ec-dev-swift,hurricanerix/swift,bouncestorage/swift,notmyname/swift,tipabu/swift,psachin/swift,smerritt/swift,takeshineshiro/swift,tsli/test,swiftstack/swift,bradleypj823/swift,scality/ScalitySproxydSwift,notmyname/swift,hbhdytf/mac2,takeshineshiro/swift,bouncestorage/swift,psachin/swift,zaitcev/swift-lfs,Intel-bigdata/swift,zaitcev/swift-lfs,houseurmusic/my-swift,hbhdytf/mac2,anishnarang/gswift,gold3bear/swift,nadeemsyed/swift,scality/ScalitySproxydSwift,Intel-bigdata/swift,NeCTAR-RC/swift,zackmdavis/swift,openstack/swift,citrix-openstack/build-swift,Khushbu27/Tutorial,mja054/swift_plugin,VictorLowther/swift,williamthegrey/swift,Em-Pan/swift,hbhdytf/mac2,shibaniahegde/OpenStak_swift,larsbutler/swift,sarvesh-ranjan/swift,sarvesh-ranjan/swift,citrix-openstack-build/swift,daasbank/swift,matthewoliver/swift,Triv90/SwiftUml,dpgoetz/swift,prashanthpai/swift,larsbutler/swift,aerwin3/swift,psachin/swift,matthewoliver/swift,Mirantis/swift-encrypt,iostackproject/IO-Bandwidth-Differentiation,smerritt/swift,Akanoa/swift,bradleypj823/swift,IPVL/swift-kilo,matthewoliver/swift,notmyname/swift,clayg/swift,swiftstack/swift,JioCloud/swift,swiftstack/swift,redbo/swift,williamthegrey/swift,mja054/swift_plugin,AfonsoFGarcia/swift,citrix-openstack-build/swift,hbhdytf/mac,Em-Pan/swift,mjwtom/swift,zackmdavis/swift,rackerlabs/swift,wenhuizhang/swift,clayg/swift,tipabu/swift,Akanoa/swift,eatbyte/Swift,dencaval/swift,mjzmjz/swift,mjzmjz/swift,SUSE/swift,eatbyte/Swift,IPVL/swift-kilo,aerwin3/swift,Seagate/swift,NewpTone/StackLab-swift,NewpTone/StackLab-swift,openstack/swift,thiagodasilva/swift,mjwtom/swift,openstack/swift,nadeemsyed/swift,hurricanerix/swift,Seagate/swift,revoer/keystone-8.0.0,hbhdytf/mac,redhat-openstack/swift,maginatics/swift,tipabu/swift,rackerlabs/swift,maginatics/swift,gold3bear/swift,redbo/swift,openstack/swift,AfonsoFGarcia/swift,hbhdytf/mac2,houseurmusic/my-swift,smerritt/swift,ceph/swift,wenhuizhang/swift,NeCTAR-RC/swift,smerritt/swift,hurricanerix/swift,levythu/swift,thiagodasilva/swift,iostackproject/IO-Bandwidth-Differentiation,Khushbu27/Tutorial,dencaval/swift,SUSE/swift,orion/swift-config,VictorLowther/swift