[Bug 1192081] Modify base image Dockerfile to enable systemd to run smoothly

[Red Hat Bugzilla]

https://bugzilla.redhat.com/show_bug.cgi?id=1192081

--- Comment #15 from Jan Pazdziora  ---
(In reply to Jim Perrin from comment #13)
> The docker library folks weren't receptive to CentOS (or anyone else)
> defining volumes for  /tmp and /run. They felt (at the time, dunno if it's
> changed) that this should be for users to do, and didn't belong in the base
> containers.

The content of the images really should be up to the image authors.

On the other hand, bug 1283891 and bug 1331781 show that having the VOLUMEs
defined can cause issues as well.