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.model.workbench/src/org/eclipse/e4/ui/model/application/ui/basic/impl/WindowImpl.java
public Map<String, String> getProperties() {
		if (properties == null) {
			properties = new EcoreEMap<String,String>(ApplicationPackageImpl.Literals.STRING_TO_STRING_MAP, StringToStringMapImpl.class, this, BasicPackageImpl.WINDOW__PROPERTIES);
		}
		return properties.map();
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List<MHandler> getHandlers() {
		if (handlers == null) {
			handlers = new EObjectContainmentEList<MHandler>(MHandler.class, this, BasicPackageImpl.WINDOW__HANDLERS);
		}
		return handlers;
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public List<String> getBindingContexts() {
		if (bindingContexts == null) {
			bindingContexts = new EDataTypeUniqueEList<String>(String.class, this, BasicPackageImpl.WINDOW__BINDING_CONTEXTS);
		}
		return bindingContexts;
	}
	/**
	 * <!-- begin-user-doc -->