Bug 129812 [Markers] Enabling problem categorization per default
Build 3.2M5 Recent progress on problem categorization should be made more proeminent by enabling categorization by default. Similar to search view doing hierarchical presentation by default nowadays.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
protected abstract MarkerFilter createFilter(String name);
	/**
	 * Return the memento tag for the receiver.
	 * 
	 * @return String
	 */
	protected abstract String getSectionTag();
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.views.internal.tableview.TableView#createPartControl(org.eclipse.swt.widgets.Composite)
	 */
	public void createPartControl(Composite parent) {
		clipboard = new Clipboard(parent.getDisplay());
		super.createPartControl(parent);
		initDragAndDrop();
		getSite().getPage().addSelectionListener(focusListener);
		focusSelectionChanged(getSite().getPage().getActivePart(), getSite()
				.getPage().getSelection());
		PlatformUI.getWorkbench().getWorkingSetManager()
				.addPropertyChangeListener(getWorkingSetListener());
		
		getViewer().getControl().addHelpListener(new HelpListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.swt.events.HelpListener#helpRequested(org.eclipse.swt.events.HelpEvent)
			 */
			public void helpRequested(HelpEvent e) {
				IContext context = contextProvider.getContext(getViewer()