CC-3415: Live Stream: Disconnect all input.harbor connections before

terminating the process

- Modified init.d script. init.d script calls liquidsoap_prepare_terminate.py

python_apps/pypo/airtime-playout-init-d

@@ -28,6 +28,7 @@ liquidsoap_start () {
 
 liquidsoap_stop () {
         monit unmonitor airtime-liquidsoap >/dev/null 2>&1
+        python /usr/lib/airtime/pypo/bin/liquidsoap_scripts/liquidsoap_prepare_terminate.py
         
         # Send TERM after 5 seconds, wait at most 30 seconds.
         start-stop-daemon --stop --oknodo --retry TERM/5/0/30 --quiet --pidfile $PIDFILE1