fix some bugs in DemoEditableCells
use more consistent tabs and spaces
add a TODO of what is left
use the using () pattern to dispose Dialogs automatically
use args.RetVal when handling the DeleteEvent
svn path=/trunk/gtk-sharp/; revision=32017
* gconf/GConf.PropertyEditors/PropertyEditorColorPicker.cs :
nuke a GnomeSharp.
* generator/Signal.cs : move eventhandlers and args into the
base namespace instead of a *Sharp namespace.
* sample/*.cs : nuke using *Sharp.
svn path=/trunk/gtk-sharp/; revision=22956
