Ensure s3_path can be passed to Eucaops. Fix create resources to use this

Change-Id: If22a1529cc16a7faabdee73b210cc7b1a964526c
Add first pass at create_login_profile

Change-Id: I93408ffedf8752bbfc6a18ad0e39b675d896454c
Properly exit cleanly when doing migration script on cloud with less than 2 nodes.

Change-Id: I54986bc5d76db6072852790b9a0d7cbd1f9e36aa