* src/video_output/vout_subpictures.c: support for stacking subpictures filters (eg. --sub-filter=foo,bar).

* vobsub.c: rewrite of the vobsub module. Now has track support. This is UNFINISHED.
  TODO, repair the 'Control' commands store the timestamp/location combo's in the arrays of subtitle_t structs

  and find a way to pass the info from the decoder to the core of course....

fen-trick
time.c: fixed a few copy/paste bugs and some warnings

  + improved spu_SortSubpictures() to deal with SPU channels.
  + ephemer subpictures can also have a stop date now (allows more flexibility).

* modules/stream_out/transcode.c: new sfilter option for using subpictures filters during the transcoding.

* src/libvlc.h: new --sub-filter config option + added a new subpictures category that regroups all the subpictures options.

* modules/stream_out/description.c: bug fix.

* modules/gui/wxwindows/menus.cpp: re-organized right-click menu + play/pause/stop/next/previous entries.

* modules/stream_out/description.c: new "description" stream output module which gathers information on elementary streams (pre-parsing).
* src/misc/vlm.c: pre-parse vod media items.

* modules/stream_out/transcode.c: re-use the SPU engine.
* src/video_output/vout_subpictures.c: support for resizing subpictures.

* modules/misc/rtsp.c, include/vlc_vod.h: vod server api update.
* include/vlc_input.h: extended input_item_t a bit for the vod server.

msg_Err -> msg_Dbg

* INSTALL.win32: update with new contrib package.

* modules/video_filter/swscale/*: new resizing/chroma conversion video filter based on MPlayer's swscale module.
  (not enabled in configure.ac yet as it may have problems building on some platforms)

   (cause latest BeOS gcc doesn't do it by default anymore)

* src/video_output: fixed a CPU heating loop in pause mode (fixes the problem with fast user switching on win32).