Bug 27075 ViewerSorter could maybe lazily initialize Collator
calling JavaElementSorter creates a lot of new objects (ViewerSorter calls Collator.getInstance() which is the culprit) so maybe fSorter could be initialized lazily
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/ListDialogField.java
* Sets the minimal width of the buttons. Must be called after widget creation.
	 */		
	public void setButtonsMinWidth(int minWidth) {
		if (fLastSeparator != null) {
			((GridData)fLastSeparator.getLayoutData()).widthHint= minWidth;
		}
	}
	
	
	
	
	/**
	 * Returns the list control. When called the first time, the control will be created.
	 * @param The parent composite when called the first time, or <code>null</code>
	 * after.
	 */
	public Control getListControl(Composite parent) {
		if (fTableControl == null) {
			assertCompositeNotNull(parent);
						
			fTable= createTableViewer(parent);
			fTableControl= (Table)fTable.getControl();
			fTableControl.addKeyListener(new KeyAdapter() {
				public void keyPressed(KeyEvent e) {
					handleKeyPressed(e);
				}
			});
			
			
			TableLayout tableLayout= new TableLayout();