fixes #2061 - test if oVirt API has HTTPS redirect
rest_client will refuse to follow redirects on POST requests, so the URL must be entered as HTTPS. Don't require HTTPS as dev environments may be HTTP-only.
Related issues
Bug #2061: HTTPS URL for oVirt shouldn't be mandatory
fixes #2061 - test if oVirt API has HTTPS redirect
rest_client will refuse to follow redirects on POST requests, so the URL must
be entered as HTTPS. Don't require HTTPS as dev environments may be HTTP-only.