use ContainerUtil.reverse instead of LinkedList
ContainerUtil.reverse returns empty list if source is empty
cleanup
TableToolbarDecorator — remove action supports multiple selection
cleanup — use isSelectionEmpty
myUpdaters contains only one item in most cases
ComboBoxTableCellEditor — cleanup, it should extends DefaultCellEditor
don't allow to remove predefined browsers
getSelectedObjects — use the same approach as in TableUtil to collect selected items