Places album and all of its album pages on one sitemap
Gets links to all albums incl. pagination and if the Google image video extension is enabled for images using this as well. This is independent from the images fetched by getSitemapImages().
NOTE: Using the Google extension is currently NOT recommended if you have a huge gallery.
Author: Malte Müller (acrylian) based on the plugin by Jeppe Toustrup (Tenzer) http://github.com/Tenzer/zenphoto-sitemap and on contributions by timo, Blue Dragonfly and Francois Marechal (frankm)
Located at zp-extensions/sitemap-extended.php