[imp] Display date/time when viewing a message

[Chuck Hagenbuch]

Quoting Jan Schneider <jan@horde.org>:

> This already screws up things in the mailbox view for example the
> sorting order.

Sorting is done by the IMAP server. If the sorting is off, then the date 
header really is broken far enough out of spec that the IMAP server gets 
it wrong - it has nothing to do with strtotime().

-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