No tablet support for Sumi and Smudge

[Boudewijn Rempt]

On Sun, 16 Nov 2008, LukasT.dev at gmail.com wrote:

> Sumie, smudge and also deform brush does not work with tablet right now. 
> >From my observations it seems that problem is with settings->node(). All 
> "not working" paintops use them. Working paint ops did not use them, 
> that's why they work.
> 
> Probably it is not created when used with tablet device.

That's quite an interesting observation -- I'll keep that in mind when looking
at that bug. (After I've done more work on loading and saving).

Boudewijn