Bifrost was built around utilizing noauth authenticaiton mode.
However the roles can easilly be re-utilized by users consuming
only part of bifrost, or that are wishing to utilize the roles as
examples to create their own playbooks.
To allow re-consumption of roles interacting with ironic, addition
of logic to allow for os-client-config to be utilized for module
authentication
Change-Id: I072791613cdf99723c567d24dbd3aee935e2e068
Implements: blueprint bifrost-role-auth-support
625a628887