About the siox tool

[Cyrille Berger]

> I ported the main SIOX algorithm, but I am not sure if it acutally works.
> What still have to be done is, to make it possible to mark known foreground
> with a brush and then call the siox algorithm to recalculate the selection.
ok so I guess it's allright with you to remove it of 1.6 ? And Emanuele 
Tamponi is volunteer to port it to 2.0 and finish it, if it's ok with you.
-- 
--- Cyrille Berger ---