Add image-list to glance cli help test

In the glance client, there is 'image-list' that is not deprecated.
So this should be added to wanted_commands.

Change-Id: Ic14a9aa1ac24a7756e390a4f6e26e3af2952a52d
Do not isolate networks for baremetal

Network isolaton is not currently a supported feature for baremetal
deployments.  This adjusts the isolated credentials to avoid creation of
isolated network environments for created tenants.  Instead, we rely on
a shared private network serving addresses from a common subnet.

Change-Id: I34b16ed5a6f9221707f3a9d0d4619bb3b261e14f
Merge "Add image-list to glance cli help test"
Merge "Do not isolate networks for baremetal"