mkcloud: include $cloud in LV name
mkcloud: include $cloud in LV name

this allows to run multiple clouds in a single large VG
to take advantage of IO going to different backend disks

SUSE-Cloud/automation,aspiers/automation,aspiers/automation,aspiers/automation,gosipyan/automation,SUSE-Cloud/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,aspiers/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,gosipyan/automation,gosipyan/automation,vmoravec/automation