Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/wizard/WizardDialog.java
* 
	 * @see IPageChangedListener#pageChanged
	 * 
	 * @since 3.1
	 */
	protected void firePageChanged(final PageChangedEvent event) {
		Object[] listeners = pageChangedListeners.getListeners();
		for (int i = 0; i < listeners.length; ++i) {
			final IPageChangedListener l = (IPageChangedListener) listeners[i];
			SafeRunnable.run(new SafeRunnable() {
				public void run() {
					l.pageChanged(event);
				}
			});
		}
	}
	/**
	 * Adds a listener for page changes to the list of page changing listeners
	 * registered for this dialog. Has no effect if an identical listener is
	 * already registered.
	 * 
	 * @param listener
	 *            a page changing listener
	 */
	public void addPageChangingListener(IPageChangingListener listener) {
		pageChangingListeners.add(listener);
	}
	/**
	 * Removes the provided page changing listener from the list of page
	 * changing listeners registered for the dialog.