gEDA-dev: Filechooser and component selector code

[Peter Clifton]

[snip]

> There is a lot of variables in toplevel which are preferences or needed
> variables for several utilities (gschem, gnetlist,...). 
> I think we need to clean all this mess and store the app preferences in
> some way which is neutral for libgeda. Maybe a gobject, or something...

I agree, but it will be quite a big refactor. I'd be interested to help
when I've got time, although a lot of "design" work probably needs to be
done.

Peter