Bug 52159 [ActivityMgmt] Activity entry in window menu needs to be defined in object contribution
We should move the activity configuration menu entry to an object contribution in the IDE plug-in so that other applications do not have to have it or hack the UI.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/WorkbenchActionBuilder.java
IContributionItem workingSetBuilds = new BuildSetMenu(window, actionBarConfigurer);
		buildWorkingSetMenu.add(workingSetBuilds);
		menu.add(buildWorkingSetMenu);
	}
	
	/**
	 * Adds the keyboard navigation submenu to the specified menu.
	 */
	private void addKeyboardShortcuts(MenuManager menu) {
		MenuManager subMenu = new MenuManager(IDEWorkbenchMessages.getString("Workbench.shortcuts"), "shortcuts"); 
		menu.add(subMenu);
		subMenu.add(showPartPaneMenuAction);
		subMenu.add(showViewMenuAction);
		subMenu.add(new Separator());
		subMenu.add(maximizePartAction);
		subMenu.add(new Separator());
		subMenu.add(activateEditorAction);
		subMenu.add(nextEditorAction);
		subMenu.add(prevEditorAction);
		subMenu.add(new Separator());
		subMenu.add(nextPartAction);
		subMenu.add(prevPartAction);
		subMenu.add(new Separator());
		subMenu.add(nextPerspectiveAction);
		subMenu.add(prevPerspectiveAction);
	}
	/**
	 * Temporary backwards compatibility support for re-enabling the rebuild actions.
	 * To be removed before 3.0
	 */