Fedora 19 uses systemd but there is no systemd-run available in the release (rhbz#1157938), this patch makes sure that the init scripts check for availability of systemd-run before they use it (otherwise, they fall back to the default method)

Signed-off-by: Boris Ranto <branto@redhat.com>
Merge pull request #2871 from branto1/wip-systemd-run-not-avail

Fix rhbz#1157938

Reviewed-by: Loic Dachary <loic-201408@dachary.org>