Document Keystone2Keystone federation
Document Keystone2Keystone federation

Document the following:
  - create a region
  - setup config options
  - run keystone-manage command for metadata
  - samlize the token

Change-Id: I771fc5bbe1bb57f36bfbc929f2c64d17c2641899

mahak/keystone,cernops/keystone,blueboxgroup/keystone,dstanek/keystone,vivekdhayaal/keystone,jumpstarter-io/keystone,himanshu-setia/keystone,promptworks/keystone,jonnary/keystone,mahak/keystone,rushiagr/keystone,vivekdhayaal/keystone,rushiagr/keystone,openstack/keystone,promptworks/keystone,nuxeh/keystone,openstack/keystone,openstack/keystone,ilay09/keystone,maestro-hybrid-cloud/keystone,mahak/keystone,promptworks/keystone,ilay09/keystone,jonnary/keystone,maestro-hybrid-cloud/keystone,dstanek/keystone,jumpstarter-io/keystone,nuxeh/keystone,blueboxgroup/keystone,MaheshIBM/keystone,klmitch/keystone,nuxeh/keystone,dstanek/keystone,cernops/keystone,rajalokan/keystone,rushiagr/keystone,UTSA-ICS/keystone-kerberos,rajalokan/keystone,dims/keystone,UTSA-ICS/keystone-kerberos,idjaw/keystone,jumpstarter-io/keystone,idjaw/keystone,ilay09/keystone,ajayaa/keystone,MaheshIBM/keystone,roopali8/keystone,ging/keystone,takeshineshiro/keystone,roopali8/keystone,ajayaa/keystone,vivekdhayaal/keystone,rajalokan/keystone,takeshineshiro/keystone,jamielennox/keystone,klmitch/keystone,himanshu-setia/keystone,ging/keystone,jamielennox/keystone,dims/keystone