Bug 294739 [EAS] need service for reporting errors and warnings to the user (in a dialog, or through logging)
Rationale: Having them separated is quite risky, because it introduces artificial division, in which errors are handled. Probably UI plug-ins will use IStatusHandler and Logger, while core plug-ins will just log. How can we notify the user that something went completely wrong in headless plug-in? We need to create a bridge, so actually merge those two frameworks. On the other hand, why should we pass the same problem to IStatusHandler & to Logger? Are there any Statuses which should be shown to the user (and interrupt his work) but should not be logged?
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/workbench/swt/internal/PartRenderingEngine.java
this.curFactoryId = curFactoryId;
	}
	/**
	 * Initialize a part renderer from the extension point.
	 * 
	 * @param registry
	 *            the registry for the EP
	 * @param r
	 *            the created renderer
	 * @param context
	 *            the context for the part factories
	 * @param f
	 *            the IContributionFactory already provided to <code>r</code>
	 */
	@PostConstruct
	private void initialize(IEclipseContext context) {
		this.appContext = context;
		IExtensionRegistry registry = (IExtensionRegistry) context
				.get(IExtensionRegistry.class.getName());
		IConfigurationElement[] factories = registry
				.getConfigurationElementsFor("org.eclipse.e4.workbench.rendererfactory"); 
		for (int i = 0; i < factories.length; i++) {
			String id = factories[i].getAttribute("id");
			if (!curFactoryId.equals(id))
				continue;
			IRendererFactory factory = null;
			try {
				factory = (IRendererFactory) factories[i]
						.createExecutableExtension("class"); 
			} catch (CoreException e) {