- applying patches from Axel Kollmorgen. See

  http://list.drupal.org/drupal-devel/2002-February/thread.html#6678
  http://list.drupal.org/drupal-devel/2002-February/thread.html#6629
- removed references to $this->user() from themes.
- removed $BaseTheme->user(). It was deprecated a while back.

NOTE: this update will break custom themes, so make sure you update your
themes before updating!