Install virtualenv for vbmc where needed
Install virtualenv for vbmc where needed

On many systems there's no virtualenv installed by default.
It is not available in standard repos so let's quickly install it from
IBS before trying to deploy VBMC.

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