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/TaskView.java
super.createActions();
		addGlobalTaskAction = new ActionAddGlobalTask(this);
		deleteCompletedAction = new ActionDeleteCompleted(this, getViewer());
		markCompletedAction = new ActionMarkCompleted(getViewer());
		propertiesAction = new ActionTaskProperties(this, getViewer());
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.markers.internal.TableView#createColumns(org.eclipse.swt.widgets.Tree)
	 */
	protected void createColumns(Tree tree) {
		super.createColumns(tree);
		TreeColumn[] columns = tree.getColumns();
		if (columns != null && columns.length >= 1) {
			columns[0].setResizable(false);
			if (columns.length >= 2)
				columns[1].setResizable(false);
		}
	}
	protected void fillContextMenu(IMenuManager manager) {
		manager.add(addGlobalTaskAction);
		manager.add(new Separator());
		super.fillContextMenu(manager);
	}
	protected void fillContextMenuAdditions(IMenuManager manager) {
		manager.add(new Separator());
		manager.add(markCompletedAction);
		manager.add(deleteCompletedAction);
	}