Fix radosgw in HA

add missing firewall rule which causes HA vip to not receive requests
[PRD-2323] Fix cinder-volume ceph init on ubuntu

* distorize CEPH_ARGS in cinder::volume::ceph
* convert parmaters to cinder::params
* remove un-used params from ceph::params
* removes some not needed parts left over from 0fdb733

Resolves: PRD-2323
Remove unused tcp_listeners section

It also broke cluster configuration because of name collision
Add host parameter to heat services

This parameter forces all instances to use same hostname and
rabbit queue name to connect to each other.
Merge pull request #732 from dmitryilyin/msh-fixes

Fixes to heat and rabbit
Merge pull request #727 from xarses/fix-cinder-ceph-ubuntu

[PRD-2323] Fix cinder-volume ceph init on ubuntu
Merge pull request #728 from xarses/fix-radosgw-ha

Fix firewall for radosgw