public void configureRegistry(IConfigRegistry configRegistry) {
// register a CheckBoxPainter as CellPainter for the married
// information
configRegistry.registerConfigAttribute(
CellConfigAttributes.CELL_PAINTER,
new CheckBoxPainter(), DisplayMode.NORMAL,
ColumnLabelAccumulator.COLUMN_LABEL_PREFIX + 3);
configRegistry.registerConfigAttribute(
CellConfigAttributes.DISPLAY_CONVERTER,
new DefaultDateDisplayConverter("MM/dd/yyyy"),