General
 - general C#-ification
 - get rid of GLib.Object.Data usage

DemoMain
 - syntax highlighting

DemoStockBrowser
 - underline _label properly
 - use StudlyCaps instead of current horrible hack
 - missing stockitems for some reason
 - remove duplication in ListStore, and use DataFunc's

DemoHyperText
 - finish

Future
------
IconView
RotatedText