add variable to allow containerized mon to run privileged mode. this is to allow ceph-authtool to read and write to /var/ and /etc on CentOS Atomic. Add doc on how to run containerized deployment on RHEL/CentOS Atomic
add variable to allow containerized mon to run privileged mode.
this is to allow ceph-authtool to read and write to /var/ and /etc on CentOS Atomic.
Add doc on how to run containerized deployment on RHEL/CentOS Atomic

Signed-off-by: Huamin Chen <189ba2094394fe2405c0b389ea871c17bd3a5861@redhat.com>

staticfork/ansible-ceph-mon,ceph/ansible-ceph-mon