View.Swf: Painters are obsolete, use Defaut-Painters instead
cleanup
Drawing.Gdi: Painters removed
TextContentDetector and Digger introduced
cleanup
VisualContentViz: removed VisualOfRichContent as this is done in DragdDropViz
VisualThingContentViz: make a Thing(description) if stream is null
Folding: dont fold edges, this makes errors
Folding of Display: dont remove orphans