[imp] filtering order

[Gwenn Gueguen]

> Blacklist rules are stored exactly the same way as all other
> filters - the only difference is that they are displayed
> differently.

OK, when I saw the new display, I thought they were now stored
in a different way.

> Thus, displaying the blacklist rules separately from the
> other rules has the disadvantage of not being able to move
> the order they are applied.
> 
> Comments/concerns/changes?

If they are displayed separately, they could be stored
separately with 2 prefs : filters and blacklist

But I don't know how filters are applied so I don't know
if it can be done in an easy way.

-- 
Gwenn