Updated openstack/openstack
Project: openstack/sahara  001f50ad430a905d5a7196dd3ec5461daaed7ebc

Adds doc to devref quickstart document

The SAHARA_URL was not defined in the devref quickstart document. This
is added by this patch.

Closes-Bug: 1388143

Change-Id: I7094b77ed24dda3aaa190452392c6f03d16c0675