Source code for JavaFX UI controls now available on openjfx

[Roman Kennke]

> I am not the right person to answer this question but Richard said that 
> Jasper has been working
> on this for a week or so and from what I have read it sounds to me as if 
> this could be a very
> efficient implementation.

Yep. This is basically what I have been looking for when I did the
SwingView :-) So either we wait until this new stuff hits a release
(it'll not be in the controls repo I suppose) or we go with what we
submitted and improve it once this Graphics2D-Node is available.

Cheers, Roman