Moving coredump configuration to common script

Change-Id: I763889c9b91676582a58aa238d47ccc8dac9375e
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/19889
Reviewed-by: Dan Kenigsberg <danken@redhat.com>