[imp] remember expanded folders

[Chuck Hagenbuch]

Quoting Jan Schneider <jan@horde.org>:

> An example: The user comes to folder view, no folders expanded. He expands 
> folder1 but leaves folder2 collapsed. He changes to another view comes back
> and still has folder1 expanded and folder2 collapsed.
> 
> Any thoughts?

That is _exactly_ how it currently works.

-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