Pass bay_ident to k8s objects (pod, service, replication controllers)
list method. Doing so returns a list of k8s objects based on the
specified bay identifier. A Bay identifier can be an UUID or a logical
name of the Bay.
magnum rc-list => magnum rc-list <bay_ident>
magnum service-list => magnum service-list <bay_ident>
magnum pod-list => magnum pod-list <bay_ident>
Change-Id: Ia1ec5376d728a4eaacf344cbda5c60d80fbb0495
Closes-Bug: #1503066
01373e979a