2.23.3:
* Update FSF address in the sources
* Use GIO when a GIO source isn't available (xine-lib, GStreamer)
* Reset player state when we get an error whilst syncing
* Add Totem specific application/x-totem-plugin type to the browser plugin
* Fix building against latest totem-pl-parser
* Fix browser plugin not showing on http://www.la1.be site