Bug 114615 [Markers] No feedback for 'Completed' tasks
There's not longer any 'check box' indicator on the Tasks View so clients can't determine whether a task has been completed or not... This is a regression...
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/TableView.java
createActions();
		viewer.setInput(createViewerInput());
		viewer.setSelection(restoreSelection(memento));
		Scrollable scrollable = (Scrollable) viewer.getControl();
		ScrollBar bar = scrollable.getVerticalBar();
		if (bar != null) {
			bar.setSelection(restoreVerticalScrollBarPosition(memento));
		}
		bar = scrollable.getHorizontalBar();
		if (bar != null) {
			bar.setSelection(restoreHorizontalScrollBarPosition(memento));
		}
		MenuManager mgr = initContextMenu();
		Menu menu = mgr.createContextMenu(viewer.getControl());
		viewer.getControl().setMenu(menu);
		getSite().registerContextMenu(mgr, getViewer());
		getSite().setSelectionProvider(getViewer());
		IActionBars actionBars = getViewSite().getActionBars();
		initMenu(actionBars.getMenuManager());
		initToolBar(actionBars.getToolBarManager());
		registerGlobalActions(getViewSite().getActionBars());
		viewer.addOpenListener(new IOpenListener() {
			public void open(OpenEvent event) {
				handleOpenEvent(event);
			}
		});
		viewer.getControl().addKeyListener(new KeyAdapter() {