Update Getting Started requirements versions
Update Getting Started requirements versions

These docs currently say we target ubuntu 10.04 and an eventlet version
that our requirements file does not allow. Update these versions.

Change-Id: I052b6561f88ec90f865454e426032f1baf4586c0

smerritt/swift,openstack/swift,mjzmjz/swift,tipabu/swift,hbhdytf/mac2,aerwin3/swift,aerwin3/swift,rackerlabs/swift,AfonsoFGarcia/swift,hurricanerix/swift,Akanoa/swift,anishnarang/gswift,bouncestorage/swift,dencaval/swift,clayg/swift,tipabu/swift,zackmdavis/swift,matthewoliver/swift,takeshineshiro/swift,bouncestorage/swift,clayg/swift,redbo/swift,dpgoetz/swift,clayg/swift,bkolli/swift,hurricanerix/swift,gold3bear/swift,swiftstack/swift,Seagate/swift,nadeemsyed/swift,clayg/swift,larsbutler/swift,Em-Pan/swift,psachin/swift,daasbank/swift,dencaval/swift,redhat-openstack/swift,revoer/keystone-8.0.0,prashanthpai/swift,nadeemsyed/swift,maginatics/swift,eatbyte/Swift,gold3bear/swift,Seagate/swift,shibaniahegde/OpenStak_swift,Em-Pan/swift,hbhdytf/mac2,iostackproject/IO-Bandwidth-Differentiation,hbhdytf/mac,thiagodasilva/swift,levythu/swift,rackerlabs/swift,smerritt/swift,smerritt/swift,notmyname/swift,dpgoetz/swift,anishnarang/gswift,daasbank/swift,openstack/swift,psachin/swift,iostackproject/IO-Bandwidth-Differentiation,takeshineshiro/swift,notmyname/swift,psachin/swift,matthewoliver/swift,openstack/swift,williamthegrey/swift,shibaniahegde/OpenStak_swift,levythu/swift,revoer/keystone-8.0.0,mjzmjz/swift,AfonsoFGarcia/swift,nadeemsyed/swift,nadeemsyed/swift,zackmdavis/swift,bradleypj823/swift,swiftstack/swift,swiftstack/swift,IPVL/swift-kilo,maginatics/swift,tipabu/swift,IPVL/swift-kilo,mjwtom/swift,williamthegrey/swift,wenhuizhang/swift,psachin/swift,bkolli/swift,openstack/swift,thiagodasilva/swift,mjwtom/swift,notmyname/swift,hurricanerix/swift,redhat-openstack/swift,hbhdytf/mac2,matthewoliver/swift,prashanthpai/swift,hbhdytf/mac,eatbyte/Swift,hbhdytf/mac2,hurricanerix/swift,wenhuizhang/swift,matthewoliver/swift,Akanoa/swift,tipabu/swift,smerritt/swift,notmyname/swift,larsbutler/swift,redbo/swift,bradleypj823/swift