[imp] from and fullname hooks

[Chuck Hagenbuch]

Quoting Jan Schneider <jan@horde.org>:

> It made the most sense to me to call them first so that they have precedence
> about all other sources (prefs, input fields, select fields). Am I right?

Well, if the preferences are unlocked, they should be able to be overridden...

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"What was and what may be lie, like children whose faces we cannot see, in 
the arms of silence. All we ever have is here, now." - Ursula K. Le Guin