Updated openstack/openstack
Project: openstack/python-openstackclient  8b9f45c1626de1f95f20397c46416b71a142f70a

Followup for ec2 credentials command fix

Add functional tests for 'ec2 credentials' commands.

Also fix tenant_id in output for create and show.

Change-Id: I6ba3249b67408571624709e17f8aa2ac6d80237d