Discover keystone_authtoken options
Discover keystone_authtoken options

These options are not directly imported in the projects, but instead
used as a middleware in the paste configuration. We force and import of
the middleware to discover the options.

Change-Id: I6e8a7abca63a86db9dd215c012b10ef2d89c18df

openstack/openstack-doc-tools,savinash47/openstack-doc-tools,savinash47/openstack-doc-tools,openstack/openstack-doc-tools,savinash47/openstack-doc-tools