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/CachedMarkerBuilder.java
* Load the group with id from the child if there is a matching system group
	 * registered.
	 * 
	 * @param child
	 * @param id
	 * @return <code>true</code> if a matching group was found
	 */
	private boolean loadGroupWithID(IMemento child, String id) {
		Iterator groups = getAllFilters().iterator();
		while (groups.hasNext()) {
			MarkerFieldFilterGroup group = (MarkerFieldFilterGroup) groups
					.next();
			if (id.equals(group.getID())) {
				group.loadSettings(child);
				return true;
			}
		}
		return false;
	}
	/**
	 * Load the settings from the memento.
	 * 
	 * @param memento
	 */
	private void loadFilterSettings(IMemento memento) {
		if (memento == null)
			return;
		Boolean andValue = memento.getBoolean(TAG_AND);
		if (andValue != null)
			setAndFilters(andValue.booleanValue());