Updated openstack/openstack
Project: openstack/python-keystoneclient  d0e9dc6c1020cdf367b3121e77b3042875af0c7d

Add docs for how to create an OAuth auth instance

Similar to the other authentication methods that were documented,
like password and token, this patch will add a brief description
on how to authenticate with the oauth1 plugin.

Change-Id: I1b7cceb116d337be71576139601f34ca17563a50