new version r1.20beta release

Changelog:
- fixed: white square for missed studio icons 
- fixed: saxon errors for duplicated str.xsl includes
- fixed: missed default_overlay_thumbnail.png and default_overlay_poster.png
- fixed: updated files for "homepage" issues to work with YAMJ r2398 or newer

http://www.gt-projects.net/downloads.php?cat_id=1