Merge pull request #375 from dirkmueller/master

Make Nova V3 API optional and disabled by default
Synchronize nova.conf template with Icehouse

It's a huge patch, but with no functional change.
Set control_exchange to nova in nova.conf

This is what ceilometer expects (instead of the openstack value).
Merge pull request #376 from vuntz/icehouse-conf

Synchronize nova.conf template with Icehouse
Adapt for cinder multi-backend support
Only do the ceph setup on compute nodes

Since the libvirt_type is also kvm on the controller, we were doing the
ceph setup there without a need for it.
Merge pull request #378 from vuntz/cinder-multi-backend

Adapt for cinder multi-backend support
Tweak string to make it clear that people can pass a host for VMware
Merge pull request #382 from vuntz/vmware-string

Tweak string to make it clear that people can pass a host for VMware
Use helpers from new crowbar-openstack cookbook
Avoid unneeded search for nagios when nagios isn't used
Merge pull request #384 from vuntz/no-nagios-search

Avoid unneeded search for nagios when nagios isn't used
Merge pull request #383 from vuntz/openstack-helper

Use helpers from new crowbar-openstack cookbook
Set keystone_ec2_url in nova.conf

This is required when keystone is not on the same host as the nova
controller, or when using HA.
Merge pull request #386 from vuntz/keystone_ec2_url

Set keystone_ec2_url in nova.conf
Fix VMware spelling
Merge pull request #388 from mjura/vmware-rename

Fix VMware spelling
Generate certs on all nodes for HA

With HA, HTTPS and automatic generation of self-signed certificates, all
controller nodes except for one are missing the cert files, and the api
and novncproxy services fail to start.

This is a workaround to generate the certs on all nodes when HA is
enabled.
Merge pull request #389 from bkutil/generate_certs_in_ha

Generate certs on all nodes for HA
Fix installation order for memcache and consoleauth

I had a couple of times the problem that rcopenstack-nova-consoleauth
failed to start during installation because the python memcache module
was not available.
Just setup memcache before the consoleauth installation.