2.22.1:
* Add audio/x-speex as a supported mime-type
* Movie player:
  - Fix crasher when trying to load (unsupported) audio CDs
  - Fix the bug report script
  - Check for required GStreamer plugins in the YouTube plugin
* GStreamer backend:
  - Fix a possible crash when forcing use of ximagesink (as is the case
    for small videos on trailers.apple.com)
* xine-lib backend:
  - Fix potential crasher when copying MRLs from the engine