tools: better check of deploy status and fixing messages
tools: better check of deploy status and fixing messages

If the host was correctly deployed but, for any reasons, the tool
wasn't able to find vm.conf it was complaining about being still
not deployed.
Fixing it.

Bug-Url: https://bugzilla.redhat.com/1263295

Change-Id: Iec9d1ad17331f73f541d477b288d75373b35bdea
Signed-off-by: Simone Tiraboschi <cb03129c66ba4da7ba7044049d0f43907bf857bb@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup