skyring: Renamed the skynetd service name.
skyring: Renamed the skynetd service name.

The systemd-skynetd service is renamed as skynetd.
So it is changed accordingly in saltwrapper.py where
we have utility to restart this service.

Change-Id: Ib2098097ce2849e231aae12a776d1f55fefb4bd7
Signed-off-by: nnDarshan <d2c6d450ab98b078f2f1942c995e6d92dd504bc8@gmail.com>

skyrings/skyring,skyrings/skyring,skyrings/skyring,skyrings/skyring