Adding default user_domain_id parameter only when using password auth
Adding default user_domain_id parameter only when using
password auth

Change-Id: I31943739cc1b535cbd402c5e9245b2f7a19cfa32
Closes-Bug: #1418810

openstack/python-openstackclient,dtroyer/python-openstackclient,redhat-openstack/python-openstackclient,BjoernT/python-openstackclient,dtroyer/python-openstackclient,openstack/python-openstackclient,redhat-openstack/python-openstackclient,BjoernT/python-openstackclient