wmtweaks and xfwm settings plugins

[Olivier Fourdan]

Aaron wrote:
> well they have diffrent options, even though they interlap. the
> wmtweaks seems to have covered things that were previously only hidden
> options. although it would be nice if it was intergrated into the old
> window manager plugin more.

That's really not the goal. The goal is not to make hidden options part 
of the regular plug-in, it's just to make them a bit more accessible 
thru a specific GUI.

Options were hidden because they are of little use for most users They 
still are, thus the separate plug-in.

Cheers,
Olivier.