Add instructions for pip install via easy_install.
Add instructions for pip install via easy_install.

Add a line item to easy_install pip since we now need to pip install
openstack.nose_plugin. Fixes bug 951019

Change-Id: Ibf4b8bb7feac2b8290db2f4c4665dacf8a881462

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