This change configures Ceph daemon pods so that
/var/lib/ceph/crash maps to a hostPath location that persists
when the pod restarts. This will allow for post-mortem examination
of crash dumps to attempt to understand why daemons have crashed.
Change-Id: I53277848f79a405b0809e0e3f19d90bbb80f3df8
07ceecd8d7