Updated openstack/openstack
Project: openstack/python-keystoneclient  0068a4e448a3c37d81bbfcc127ba214f809718d5

Provide an __all__ for auth module

Define the public functions for the auth module. To access actual auth
plugins users should still be expected to pull in the right file but
this shows the interface most service will need.

Change-Id: If389c8c0e91166ca46c1766bf5b76ad9d66417b0