Bug 214137 [Markers] Unbound system filters should be bound to problems view.
In 3.3 we supported systemFilters which are not currently picked up by the problems view. We should pick these up for compatiblity.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/SeverityAndDescriptionFieldFilter.java
* (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.provisional.views.markers.MarkerFieldFilter#initialize(java.util.Map)
	 */
	public void initialize(Map values) {
		Object value = values.get(IMarker.SEVERITY);
		if (value != null && value instanceof Integer) {
			selectedSeverities = ((Integer) value).intValue();
		}
		Object modifier = values
				.get(MarkerSupportInternalUtilities.CONTAINS_MODIFIER_TOKEN);
		if (modifier != null && modifier instanceof String)
			containsModifier = (String) modifier;
		Object text = values
				.get(MarkerSupportInternalUtilities.CONTAINS_TEXT_TOKEN);
		if (text != null && text instanceof String)
			containsText = (String) text;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.provisional.views.markers.MarkerFieldFilter#populateWorkingCopy(org.eclipse.ui.internal.provisional.views.markers.MarkerFieldFilter)
	 */
	public void populateWorkingCopy(MarkerFieldFilter copy) {
		super.populateWorkingCopy(copy);
		((SeverityAndDescriptionFieldFilter) copy).selectedSeverities = this.selectedSeverities;
	}
	/*
	 * (non-Javadoc)
	 *