Bug 210124 [Markers] MarkersView not listening to the build jobs
The markers view needs to listen to the build jobs to show italics when running
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/provisional/views/markers/CachedMarkerBuilder.java
* Sort the newMarkers and build categories if required.
	 * 
	 * @param monitor
	 * @param newMarkers
	 */
	void sortAndMakeCategories(IProgressMonitor monitor, MarkerMap newMarkers) {
		Arrays.sort(newMarkers.toArray(), generator.getComparator());
		monitor.worked(50);
		if (newMarkers.getSize() == 0) {
			categories = EMPTY_CATEGORY_ARRAY;
			currentMap = newMarkers;
			monitor.done();
			return;
		}
		monitor.subTask(MarkerMessages.MarkerView_queueing_updates);
		if (monitor.isCanceled())
			return;
		if (generator.isShowingHierarchy()) {
			MarkerCategory[] newCategories = buildHierarchy(newMarkers, 0,
					newMarkers.getSize() - 1, 0);
			if (monitor.isCanceled())
				return;
			categories = newCategories;
		}
		monitor.worked(50);
		currentMap = newMarkers;
	}
	/**
	 * Break the marker up into categories
	 *