Bug 264796 [TabbedProperties] HockeyLeagueExample needs EMF source code regenerated
I discovered when looking into another problem that the EMF source code for the Hockey League Example has not been regenerated for a while.
examples/org.eclipse.ui.examples.views.properties.tabbed.hockeyleague/src/org/eclipse/ui/examples/views/properties/tabbed/hockeyleague/ui/editor/HockeyleagueEditor.java
/**
	 * This is the content outline page's viewer. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @generated
	 */
	protected TreeViewer contentOutlineViewer;
	/**
	 * This is the property sheet page. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @generated protected TabbedPropertySheetPage propertySheetPage;
	 */
	/**
	 * This shows how a tree view works. <!-- begin-user-doc --> <!--
	 * end-user-doc -->
	 * 
	 * @generated
	 */
	protected TreeViewer treeViewer;
	/**
	 * This keeps track of the active viewer pane, in the book. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected ViewerPane currentViewerPane;
	/**
	 * This keeps track of the active content viewer, which may be either one of
	 * the viewers in the pages or the content outline viewer. <!--