First working JFace example

[Frank Benoit]

Bill Baxter schrieb:
> I made those changes to svn tango,
> hg pulled & updated dwt-win and dwt-addons
> did dsss build and dsss install for all three,
> but I'm getting errors with dsss build on dwt-addons.

There were indead some compile errors left, due to my latest code 
changes. I did only compile the example without rebuilding all files in 
dwtx, so i did not saw the error. It should work now.

I added some more info here:
http://www.dsource.org/projects/dwt/wiki/JFace