Bug 106574 [KeyBindings] registry: General/Keys setting not saved or not restored
bundles/org.eclipse.jface/src/org/eclipse/jface/bindings/BindingManager.java
* <p>
	 * Notifies all of the listeners to this manager that the defined or active
	 * schemes of bindings have changed.
	 * </p>
	 * <p>
	 * The time this method takes to complete is dependent on external
	 * listeners.
	 * </p>
	 * 
	 * @param event
	 *            The event to send to all of the listeners; must not be
	 *            <code>null</code>.
	 */
	private final void fireBindingManagerChanged(final BindingManagerEvent event) {
		if (event == null)
			throw new NullPointerException();
		if (listeners != null) {
			final Iterator listenerItr = listeners.iterator();
			while (listenerItr.hasNext()) {
				final IBindingManagerListener listener = (IBindingManagerListener) listenerItr
						.next();
				listener.bindingManagerChanged(event);
			}
		}
	}
	/**
	 * <p>
	 * Returns the active bindings.
	 * </p>
	 * <p>