BZ #1142483 - osd pool size, journal size params in ceph.conf

https://bugzilla.redhat.com/show_bug.cgi?id=1142483

For POC/dev testing, a value of 1 for osd_pool_default_size and 1000
for osd_journal_size can be useful.
BZ #1142528 - open up ceph mon port on controllers

https://bugzilla.redhat.com/show_bug.cgi?id=1142528

For now, if RBD is enabled, assume we have ceph mon's running on the
controllers.
Merge pull request #371 from cwolferh/bz1142528_ceph_mon_port

BZ #1142528 - open up ceph mon port on controllers
Merge pull request #370 from cwolferh/bz1142485_ceph_osd_pool_params2

BZ #1142483 - osd pool size, journal size params in ceph.conf