Fix functional tests with keystone.
Fix functional tests with keystone.

- Make sure storage_url is string and not unicode or the unicode
  no_safe_quote test will not get this nicely.
- Fixes bug 1190190.

Change-Id: I945f2b94f2063b836c10131fa4bd57938ed48f3c

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