Add qemu-utils dependency for Ubuntu

Conflicts:

	crowbar.yml
fix for qemu-utils instalation

Conflicts:

	chef/cookbooks/cinder/recipes/scheduler.rb
Merge pull request #89 from arkadykanevsky/pull-req-release-roxy-master-3fc3f1d4a7f2091bcaf9dba40205f8377cb6514a

+1