[colug-432] picocom

[jep200404 at columbus.rr.com]

Earlier I wrote: 

> I've tried minitel, but it has too much stuff that 
> gets in the way. 

A private responder mentioned that he uses picocom instead of minitel. 

So I tried picocom. It's light and allows enough low-level control 
(like manually controlling the DTR line) to be good enough for 
much of my testing use. So I have added picocom to my bag of tools.