kick backburner on userr login

restart backburner when someone logs in.  this will kick the machine off a current job or else it would still continue to render even though the machine was taken out of the group.  this is not clean, but the only current way until ADSK fixes BBM.

partytime.sh

@@ -114,3 +114,10 @@ for BBGROUP in "${BBGROUPS[@]}"; do
     fi
     bbmsubmitxml
 done
+
+#Restart BB service to kick machine off from current render job
+if [[ $ACTION == "remove" ]]; then
+    sudo /usr/bin/systemctl stop adsk_backburner
+    sleep 15
+    sudo /usr/bin/systemctl start adsk_backburner
+fi