MB-10953 Restart ssl application in ns_ssl_services_setup init.

This is needed to clear PEM cache. But there's no function to do just
this in r14b04.

Change-Id: I966e75db0c6bdd99661a241cff60403905b8e583
Reviewed-on: http://review.couchbase.org/36727
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>