Updated openstack/openstack
Project: openstack/nova  7385b9c41a161dae9021ba05c30a8faf1c9cb05e

Make devref point to official devstack vagrant repo.

Now that we have an official devstack vagrant repo, lets point to that
instead of my own half maintained repo.

Change-Id: I944265d18f6e796608576ea71a7983aed0ece542