[Giggle] [PATCH] Made the graph more visually appealing on dark backgrounds.

[David Vest]

> The reason it does both a fill and a stroke is because it draws with two
> different colors as you can see at [1].

Yes, I noticed this.

> It might be though that it needs
> to draw the outer circle in a light color if you have a dark theme.

I tried to find a color that would look good with a dark (black)
background but couldn't come up with any. So I did this and thought
that I can send it to the list for discussion.

 David