This also moves the run_creator kickstart checks into check_kickstart
so that tests may be added.
This will close#164
(cherry picked from commit 3676cb65bb)
Add a /.in-container file to the container root so that tests requiring root
and loop device support will be skipped when running in a container.
(cherry picked from commit bab4b20d0d)
This is complicated by the fact that much of this module requires mount.
So for now just test the things that don't need mount.
(cherry picked from commit 134a333d92)
