Merge "Allow neutron services to use independent hostnames"

ansible/group_vars/all.yml

ansible/roles/ironic/templates/ironic.conf.j2

ansible/roles/manila/templates/manila-share.conf.j2

ansible/roles/neutron/defaults/main.yml

ansible/roles/neutron/tasks/precheck.yml

ansible/roles/neutron/templates/neutron.conf.j2

ansible/roles/nova-hyperv/templates/nova_hyperv.conf.j2

ansible/roles/nova/templates/nova.conf.j2