restart mumble

src/freedombone-utils-web

                 chmod -R 700 /var/lib/mumble-server/*.pem
                 chmod -R 700 /var/lib/mumble-server/*.key
                 chmod -R 700 /var/lib/mumble-server/*.dhparam
-                systemctl reload mumble-server
+                systemctl restart mumble-server
             fi
         fi