No wifi by default

src/freedombone-utils-wifi

     echo '#' >> $WIFI_NETWORKS_FILE
 
     # By default connect to any open wifi
-    WIFI_SSID=$'any'
+    WIFI_SSID=''
     WIFI_TYPE=$'open'
 
     wifi_ctr=0
         dialog --backtitle $"Freedombone Configuration" \
                --title $"Wifi Settings ${wifi_ctr}" \
                --form $"\nTo use this system via wifi (eg. USB dongle) enter the details below, otherwise just select Ok:" 13 65 4 \
-               $"SSID:" 1 1 "$WIFI_SSID" 1 24 30 30 \
+               $"SSID (can be 'any'):" 1 1 "$WIFI_SSID" 1 24 30 30 \
                $"Type (open/wpa2-psk):" 2 1 "$WIFI_TYPE" 2 24 10 10 \
                $"Passphrase:" 3 1 "$WIFI_PASSPHRASE" 3 24 50 50 \
                2> $data