Tangle - cookie keys file

[Hal Murray]

Eric said:
> This raises an interesting point.  ntpd can now tell when its on first
> startup (absence of this file).  I'm not a fan of this kind of statefulness -
> worked hard at avoiding it in GPSD - but since NTS's requirements stick us
> with it there's a question: what else should trigger on this event? 

Creating it when it doesn't exist means it will do the wrong thing if the file 
gets unexpectedly removed.

We could require a command line flag, or a stand alone program.

-- 
These are my opinions.  I hate spam.