Add simplest Cinder support

Conflicts:

	chef/cookbooks/nova/recipes/volume.rb
	chef/data_bags/crowbar/bc-template-nova.json
	crowbar_framework/app/models/nova_service.rb

trying to cherry-pick cinder support from pfs
trying to cherry pick cinder support from pfs
Merge pull request #109 from MirantisDellCrowbar/feature/cinder/betty/folsom-dell

(folsom) Testing continues, but to enable others to easily test with these changes, I'm merging it now.
nova with nova-novncproxy was requested by Dima Ukov
no more vncproxy for u
install nova-novncproxy package and run service
don't register volume from api role
Merge pull request #111 from MirantisDellCrowbar/bug/DCB-63/betty/master

fix for nova-novncproxy
Merge pull request #112 from MirantisDellCrowbar/bug/DCB-59/betty/master

don't register volume from api role