updated RH-pacific and cephadm changes

[sunilkumarn417]

• Added new cephadm task module.
• Added cephadm smoke test suite.
• Re-based task modules with RH-pacific upstream ceph code changes.

Smoke test results:

• http://pulpito.ceph.redhat.com/sunnagar-2020-10-05_04:00:40-smoke:cephadm-master-distro-basic-pluto/
• http://pulpito.ceph.redhat.com/sunnagar-2020-10-07_05:42:17-smoke:ceph-volume-lvm-master-distro-basic-pluto/
• http://pulpito.ceph.redhat.com/sunnagar-2020-10-07_01:53:06-smoke:ceph-volume-lvm-master-distro-basic-pluto/

[sunilkumarn417]

http://pulpito.ceph.redhat.com/sunnagar-2020-10-08_08:43:45-smoke:ceph-ansible-master-distro-basic-clara/ - passed