In Queens development cycle, openstack_auth code was merged
into the horizon repository.
blueprint merge-openstack-auth
Change-Id: I74b10a90fe79fc768cfb8de6f68d3cd2f4938e51
This allows Domain Admin to also have a role on a Project(s).
Supersedes: 196068
Partially Implements: blueprint domain-scoped-tokens
Change-Id: Ia81e15a465117acf173c6459cec92838c825c460