2.17.92
* Fix building when /bin/sh isn't Bash
* Add better debugging support to the thumbnailer and indexer
* Don't crash when launch Totem with no filenames, and Totem
  is already started
* Thumbnailer:
  - Fix problems with the first frame being captured sometimes
* Browser plugin:
  - Implement a few Javascript calls in the Windows Media Player-
  compatible plugin
* GStreamer:
  - Avoid warnings when we can't get tag lists
  - Use GStreamer's missing plugins functionality
* xine-lib:
  - Allow cancelling an open, for use in the browser plugin