Add vdsm upstart jobs

Add Upstart jobs for vdsmd, supervdsmd, vdsm-restore-net-config,
vdsm-tmpfiles.

vdsmd, supervdsmd, vdsm-restore-net-config jobs are Upstart counterpart
of vdsmd.service, supervdsmd.service and vdsm-restore-net-config.service
in systemd.

vdsm-tmpfiles is to create directories under /var/run/ for vdsm and
supervdsm. In Upstart there is no systemd-tmpfiles.sercice equivalent,
so we implement simple script in vdsm-tmpfiles to do the necessary job.

Change-Id: Id68ec0197bd1e09100f5da96ac4db24f2b90753a
Signed-off-by: Zhou Zheng Sheng <zhshzhou@linux.vnet.ibm.com>
Reviewed-on: http://gerrit.ovirt.org/17812
Reviewed-by: Alon Bar-Lev <alonbl@redhat.com>
Reviewed-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>