Explicitly ssh deployer as root
Explicitly ssh deployer as root

The jenkins launcher is now running as user "jenkins" to follow
the principle of least privileges, which however caused the job
to fail as we only allow login from root on the deployer.

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