[imp] auto-login to imp w/ Horde 3.0 / IMP 4.0 RC

[Chuck Hagenbuch]

Quoting liamr at umich.edu:

> I don't know for certain that it's session corruption.  If any of the
> Horde team wants to look at in our environment, I've got a test 
> account that you can try.

Can you test HEAD? I was briefly able to reproduce this yesterday, but in the
process of fixing some logout frame-targetting issues, it went away.

-chuck

-- 
"But she goes not abroad in search of monsters to destroy." - John 
Quincy Adams