gluster: start glusterpmd service after reboot.

Added start of glusterpmd service after reboot.

Change-Id: I6b4d631b23250b513b42ff0509e8d230b1cb3d9b
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1138108
Signed-off-by: ndarshan <dnarayan@redhat.com>