Bug 320171 [Model] Use real Java-References in the Binding-Model-Elements
Currently they BindingTable is referencing a BindingContext using an ID. To me it looks like BindingTable is a child of BindingContext and then doesn't need the ID-Reference any more
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/workbench/swt/util/BindingProcessingAddon.java
MBindingTable bt = (MBindingTable) parentObj;
		final Context bindingContext = contextManager.getContext(bt
				.getBindingContextId());
		BindingTable table = bindingTables.getTable(bindingContext.getId());
		if (table == null) {
			Activator.log(IStatus.ERROR, "Trying to create \'" + binding 
					+ "\' without binding table " + bindingContext.getId()); 
			return;
		}
		Binding keyBinding = createBinding(bindingContext,
				binding.getCommand(), binding.getParameters(),
				binding.getKeySequence(), binding);
		if (keyBinding != null) {
			if (add) {
				table.addBinding(keyBinding);
			} else {
				table.removeBinding(keyBinding);
			}
		}
	}
	@PreDestroy
	public void dispose() {
		unregsiterModelListeners();
	}
	private void registerModelListeners() {
		additionHandler = new EventHandler() {
			public void handleEvent(Event event) {
				Object elementObj = event
						.getProperty(UIEvents.EventTags.ELEMENT);
				if (elementObj instanceof MApplication) {