Make Eventlet's WSGI server log differently.
Make Eventlet's WSGI server log differently.

Change-Id: I6d7fc8c9a0c4c3a033e0e5ee7943e59a52d7c56f

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