Bug 301133 Unhide the linked resources locations tab in the Linked Resources property page
The mentioned tab was hidden in M5 since it needed polishing. There are new icons in the page, so when this bug is fixed, I will raise another one to track creating new icons by our UI designers.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/LinkedResourceEditor.java
* @return the new button
	 */
	private Button createButton(Composite parent, String text) {
		Button button = new Button(parent, SWT.PUSH);
		button.setText(text);
		return button;
	}
	/**
	 * Creates the widget group. Callers must call <code>dispose</code> when the
	 * group is no longer needed.
	 * 
	 * @param composite
	 *            the widget parent
	 * @return container of the widgets
	 */
	public Control createContents(Composite composite) {
		GridLayout layout = new GridLayout();
		layout.marginHeight = 0;
		layout.marginWidth = 0;
		layout.numColumns = 1;
		layout.verticalSpacing = 9;
		composite.setLayout(layout);
		composite.setLayoutData(new GridData(GridData.FILL_BOTH));
		fTree = new TreeViewer(composite, SWT.MULTI | SWT.FULL_SELECTION);
		fTree.addSelectionChangedListener(new ISelectionChangedListener() {
			public void selectionChanged(SelectionChangedEvent event) {
				updateSelection();
			}
		});
		GridData data = new GridData(GridData.FILL_BOTH);