Install horst for wifi network monitoring

src/freedombone-image-customise

     # a sane editor
     chroot "$rootdir" apt-get -y install emacs24
 
+    # for wifi monitoring
+    chroot "$rootdir" apt-get -y install horst
+
     # for sound level control
     chroot "$rootdir" apt-get -y install alsa-utils
 

src/freedombone-mesh-batman

     verify
 }
 
+function monitor {
+    if [ -z "$IFACE" ] ; then
+        echo 'error: unable to find wifi interface, not enabling batman-adv mesh'
+        exit 723657
+    fi
+
+    stop
+
+    echo "info: monitoring mesh network $WIFI_SSID on $IFACE"
+
+    systemctl stop network-manager
+    sleep 5
+
+    global_rate_limit
+
+    # Might have to re-enable wifi
+    rfkill unblock $(rfkill list|awk -F: "/phy/ {print $1}") || true
+
+    ifconfig $IFACE down
+    ifconfig $IFACE mtu 1532
+    ifconfig $IFACE hw ether $(assign_peer_address)
+    iwconfig $IFACE enc off
+    iwconfig $IFACE mode monitor channel $CHANNEL
+    sleep 1
+    iwconfig $IFACE ap $CELLID
+
+    modprobe batman-adv
+    batctl if add $IFACE
+    ifconfig $IFACE up
+    horst -i $IFACE
+}
+
 if ! grep -q "$IFACE" /proc/net/dev; then
     echo 'Interface $IFACE was not found'
     stop
 fi
 
 case "$1" in
-    start|stop|status)
+    start|stop|status|monitor)
         $1
         ;;
     restart)