[imp] address book option

[Chuck Hagenbuch]

Quoting Anthony Mayes <imp_list@email.com>:

> My problem exists only when an address book is not defined.  One would
> think the error message could be repressed and a message something to
> the effect of "No Address Book Defined" could be posted.

In the current code, it is.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"A dream which helps you to live your reality with dignity
 and justice is a good dream." - Tariq Ramadan