Bug 115630 [Markers] New markerSupport features are not dynamic
M3 We need to add suites and test the the category support is dynamic.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerSupportRegistry.java
tracker.registerObject(extension, filter,
						IExtensionTracker.REF_STRONG);
				continue;
			}
			if (element.getName().equals(SUB_CATEGORY_PROVIDER)) {
				String[] markerTypes = getMarkerTypes(element);
				ISubCategoryProvider provider = getProvider(element);
				if (provider != null) {
					for (int i = 0; i < markerTypes.length; i++) {
						String markerType = markerTypes[i];
						Collection providers;
						if (registeredProviders.containsKey(markerType))
							providers = (Collection) registeredProviders
									.get(markerType);
						else
							providers = new ArrayList();
						providers.add(provider);
						registeredProviders.put(markerType, providers);
						tracker.registerObject(extension, provider,
								IExtensionTracker.REF_STRONG);
					}
				}
			}
			if (element.getName().equals(MARKER_CATEGORY)) {
				String[] markerTypes = getMarkerTypes(element);
				String categoryName = element.getAttribute(NAME);
				for (int i = 0; i < markerTypes.length; i++) {
					categories.put(markerTypes[i], categoryName);
				}
			}