New module:  Pages_xtra

Optimizes static pages for search engines. Based on the code of Pages
Module, this module allows admins to add meta-description and meta-tags,
and optionally include static pages in an XML sitemap. If you have blog
or text pages in your Gallery, search engines can now find you.
New Module: Sitemap_xtra

Based on Sitemap module, this module writes XML Sitemap data for static
pages (blog, text etc) written with Pages_xtra Module, in addition to
album, photo and movie data. Now you can send updates of your blogs and
articles to Google, Bing, Ask and Yandex.
Delete mobile_pages.css
Update admin_sitemap_xtra.php

some comments removed
Update sitemap_xtra_installer.php

comment deleted from file
Merge pull request #177 from graficat/master

New modules: pages_xtra, sitemap_xtra