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/PartImpl.java
if (baseClass == MStackElement.class) {
			switch (baseFeatureID) {
				default: return -1;
			}
		}
		if (baseClass == MContribution.class) {
			switch (baseFeatureID) {
				case ApplicationPackageImpl.CONTRIBUTION__CONTRIBUTION_URI: return BasicPackageImpl.PART__CONTRIBUTION_URI;
				case ApplicationPackageImpl.CONTRIBUTION__OBJECT: return BasicPackageImpl.PART__OBJECT;
				case ApplicationPackageImpl.CONTRIBUTION__PERSISTED_STATE: return BasicPackageImpl.PART__PERSISTED_STATE;
				default: return -1;
			}
		}
		if (baseClass == MContext.class) {
			switch (baseFeatureID) {
				case UiPackageImpl.CONTEXT__CONTEXT: return BasicPackageImpl.PART__CONTEXT;
				case UiPackageImpl.CONTEXT__VARIABLES: return BasicPackageImpl.PART__VARIABLES;
				case UiPackageImpl.CONTEXT__PROPERTIES: return BasicPackageImpl.PART__PROPERTIES;
				default: return -1;
			}
		}
		if (baseClass == MUILabel.class) {
			switch (baseFeatureID) {
				case UiPackageImpl.UI_LABEL__LABEL: return BasicPackageImpl.PART__LABEL;
				case UiPackageImpl.UI_LABEL__ICON_URI: return BasicPackageImpl.PART__ICON_URI;
				case UiPackageImpl.UI_LABEL__TOOLTIP: return BasicPackageImpl.PART__TOOLTIP;
				default: return -1;
			}
		}
		if (baseClass == MHandlerContainer.class) {