qa_crowbarsetup.sh: Run S3 test for radosgw from admin node
qa_crowbarsetup.sh: Run S3 test for radosgw from admin node

The controller node can't ssh in the radosgw node to create the user, so
let's just do all that from the admin node.

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