connectivity log: add to spec with proper ownership

Without this hackery, connectivity.log is owned by root on ovirt-node
which prevents Vdsm from starting.

Change-Id: I817b3c2e02ef785cd2fe9bf40991e841f070759b
Bug-Url: https://bugzilla.redhat.com/1120049
Signed-off-by: Dan Kenigsberg <danken@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/30507
Reviewed-by: Antoni Segura Puimedon <asegurap@redhat.com>
Reviewed-by: mooli tayer <mtayer@redhat.com>
Reviewed-by: Douglas Schilling Landgraf <dougsland@redhat.com>