Cleanup fixup.
	- VM instance cleanup steps are skipped, if VM instance was deleted before cleanup.
	- Line 639: Nova delete argument changed from "Instance name" to "Instance id".
	- Line 647: Nova volume-delete argument changed from "Volume name" to "Volume id", deletion is performed only if this volume still exists in moment of performing "volume-delete".
Restart libvirtd after config file changed

When a compute node changes to a new virtualization host,
/etc/libvirtd/qemu.conf is changed, and libvirtd needs to get
restarted to make the change effective. To avoid timing problems,
all packages have to be installed on the system, before the libvirtd
restart check happens
Merge pull request #271 from nkrinner/bnc829514-roxy

Restart libvirtd after config file changed
Merge pull request #288 from MirantisDellCrowbar/bug/smoketest_cleanup_fix/release/roxy/master

Cleanup fixup.
Remove logging group

There is only one setting
Move lock_path to /var/run

/var/lock is blacklisted on openSUSE