[JIRA] (OVIRT-685) Add Ubunto slaves to CI

Add Ubunto slaves to CI ----------------------- Key: OVIRT-685 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-685 Project: oVirt - virtualization made easy Issue Type: Task Reporter: eyal edri [Administrator] Assignee: infra We are looking into building Lago on Ubunto, so we'll need some slaves to do it. not sure yet about puppet classes, we might need to do some changes to support it.