Bug 228760 [Markers] Column orientation not stored when markers views are closed
If we re-order view columns by drag and drop or add/remove them using the preferences the values we ended up with are not restored on restart.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/CachedMarkerBuilder.java
this.categoryGroup = newGroup;
				}
			}
		}
		createMarkerProcessJob();
		resourceListener = getUpdateListener();
		
		ResourcesPlugin.getWorkspace().addResourceChangeListener(
				resourceListener,
				IResourceChangeEvent.POST_CHANGE
						| IResourceChangeEvent.PRE_BUILD
						| IResourceChangeEvent.POST_BUILD);
	}
	/**
	 * Add the resources in resourceMapping to the resourceCollection
	 * 
	 * @param resourceCollection
	 * @param resourceMapping
	 */
	private void addResources(Collection resourceCollection,
			ResourceMapping resourceMapping) {
		try {
			ResourceTraversal[] traversals = resourceMapping.getTraversals(
					ResourceMappingContext.LOCAL_CONTEXT,
					new NullProgressMonitor());
			for (int i = 0; i < traversals.length; i++) {
				ResourceTraversal traversal = traversals[i];
				IResource[] result = traversal.getResources();
				for (int j = 0; j < result.length; j++) {
					resourceCollection.add(result[j]);