Multiple IdPs problem
Multiple IdPs problem

The documentation is modified in order to allow mulitple
IdPs using the OS-Federation avoiding conflicts among them.

The previous proposed configuration allows user from one IdP
to get mapped as user from a different IdP. With the chenge
proposed this is not anymore possible.

Change-Id: I9d62a840c122fb36c02c56a84c4f2ef8c30303c4
Closes-Bug: 1390124

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