Defaults to ceph_mon_node_ips and ceph_mon_node_names
Defaults to ceph_mon_node_ips and ceph_mon_node_names

Uses the ceph_mon_node_ips and _names from all_nodes.yaml which
are formatted as arrays.

Also deprecates ceph_ipv6 parameter as will determine if ipv6
using is_ipv6_address.

Change-Id: I481dd2cd2cde7f1491080e6d9c7dcb7047c22de1

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo