Updated openstack/openstack
Project: openstack/keystone  fee3f0657d28bb836b6a0b1c88d759d9a2ead738

Doc about specifying domains in domains specific backends

When enabling the domain specific backends configuration, the
user needs to specify a domain, by passing as a filter in the
call or by using a domain scoped token.

Change-Id: I5b19b6d7091df474a7b68d4ffdb052efbb8e7104
Partial-Bug: 1387379