Adapt for cinder multi-backend support
Also adapt nova recipe for cinder multi-backend
Use ceph_client chef resource to create the clients for cinder
Use ceph_client chef resource to create the client for nova
Use ceph_client chef resource to create the client for glance
Set "cephx require signatures" to true

This is false by default, but only for backwards compatibility with old
releases. Let's be secure by default!
Avoid some unneeded empty lines in ceph.conf
Store radosgw port as integer, not string
Merge pull request #79 from vuntz/port-as-int

Store radosgw port as integer, not string
Merge pull request #78 from vuntz/require-signatures

Set "cephx require signatures" to true
Merge pull request #73 from vuntz/cinder-multi-backend

Adapt for cinder multi-backend support + move to ceph_client chef resource
initial HA support (crowbar part, mostly copy from nova_dashboard)
initial chef support for HA
clean the code of unnecessary parts
radosgw_nodes set once
move Ha parts to radosgw submap
['ha']['radosgw'] is more like other barclamps
(and ports can't be under radosgw, so haproxy_servers_for_service can find them)
include radosgw_ha recipe; get the admin/public address for Ha case
correct path for radosgw enabled
apache2::mod_status needed for OCF resource agent