openstack provisioner: USER and HOSTNAME as metadata
openstack provisioner: USER and HOSTNAME as metadata

Useful to check better who submitted instances to shared projects.

Change-Id: Ie8882a8c2b1a95a4a285c7ae29ae4f43630c0281

redhat-openstack/infrared,redhat-openstack/infrared,okolisny/InfraRed,okolisny/InfraRed,redhat-openstack/infrared,okolisny/InfraRed