Updated openstack/openstack
Project: openstack/keystone  58ec3b6366e03108a113dfe634a5638cc686cf4b

Update paste pipelines in configuration docs

Currently we use a really old value for an example paste pipeline,
this patch updates the example text to the most recent value.

Change-Id: I447c16a088f5394e1599018c6011da010f8d3e0d