2.21.2:
* Fix compilation problems on Solaris
* Playlist parser
  - Add support for parsing M3U files with drive letters in the filenames
  - Implement decoding of decimal entities in XML files, as used in Podcasts
  - Fix parsing of podcasts from Feedburner.com
  - Fix parsing of RSS feeds that have their channel metadata at the end
    of the file

* Browser plugin
  - Implement SetURL, GetURL, SetVolume, GetVolume and GetCurrentPosition in the
    Windows Media Player compatible plugin
  - Implement SetVolume and GetVolume in the QuickTime compatible plugin

* xine-lib backend
  - Fix a missing requirement for gnome-keyring