Force image-type qcow2 for OVH
Force image-type qcow2 for OVH

It seems when image-type is not defined now, we fall back to the
defaults from os-client-config.  In this case, is raw.  So our
previous attempt and changing the image format was basically a noop.

Change-Id: I32af47701f8c06c098c48d2985e255746ce97f1d
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,dongwenjuan/project-config,dongwenjuan/project-config,Tesora/tesora-project-config,openstack-infra/project-config,Tesora/tesora-project-config