Consider interface and region options with OSC
Consider interface and region options with OSC

The --os-interface/OS_INTERFACE and --os-region-name/OS_REGION_NAME
options were considered by cloudkitty CLI but ignored when using the OSC
integration.

Change-Id: I36dc3616fba59c9b2e77da75abe0f76db7ddb7e4

openstack/python-cloudkittyclient,stackforge/python-cloudkittyclient