rfid_daemon: add --toggle_output flag to enable external output on presence.
rfid_daemon: add --toggle_output flag to enable external output on presence.

Thanks for Bender in the forums for the suggestion.

Kegbot/kegbot-server,Kegbot/kegbot-server,Kegbot/kegbot-server,Kegbot/kegbot-server,Kegbot/kegbot-server