update openstack profile to queens
This requires the new
UBUNTU18-64-STD image; see https://gitlab.flux.utah.edu/fluxsysadm/flux-system-admin/issues/156 .
The queens release only lasts til Aug 30 or so, so now that we will shortly have
UBUNTU18-64-STD, time to get cracking.
This is happening in https://gitlab.flux.utah.edu/johnsond/openstack-build-ubuntu/commits/queens .
I hope this will be relatively painless, and that the biggest pain will be to redo the networking configuration for