[aprssig] APRS SPAM messages (auto replY)

[Robert Bruninga]

> > Also... "If you send a message when auto-answer is
> > enabled, then [auto-answer] is automatically disabled."
> 
> Same for Xastir on that last.

Same for APRSdos, so lets call these as "T"imeout in your
table...
So all of them get a TB for that entry for Timeout and Boot.
It's a stretch of the definiition of Timeout, but we only have
so much room in the table.