* po/*: update for 0.7.0-test1.

* modules/stream_out/display.c: fixed timestamp generation.

* modules/codec/ffmpeg/chroma.c: oops.

* modules/codec/ffmpeg/*: fixed small memleak in chroma plugin.
   Added back missing bitrate setting for video encoding.

* modules/access/v4l/v4l.c: fixed small mem leak.

* src/input/input.c: fixed a whole load of mem leaks when the input is closed before the initialisation is complete (inexistant input, etc...).

* Added a randomize playlist function

* ALL: fixed memory leaks.
* modules/demux/mp4/libmp4.c: fixed parsing of the "wave" tag (I'm sure there's a better fix but this one works).
* modules/demux/ogg.c: another seeking fix (We also need to flush the per stream buffer with ogg_stream_reset()).

  - Many of the error streams were identical. This isn't helping debugging.

- Fixed a p_playlist refcount problem
- Clearing VLC playlist and Playlist widget.

- Fix segfault when adding one file to the playlist widget from the fileview widget.
- Cleanup of code.

  demux filters leak (particularly harmful on the Dreambox) ; correctly
  handle PAT and PMT changes.

    is loading its plugins.

Remove unused Mouse event handling. Forgot to delete keypress callback.

* modules/gui/wxwindows/*: fixed a couple of memory leaks.

* src/input/input_dec.c, include/vlc_codec.h: added 2 callbacks in the decoder_t structure for pictures linking/unlinking.
* modules/codec/libmpeg2.c: restored pictures linking/unlinking code.
* modules/codec/ffmpeg/video.c: idem and reenabled direct rendering even when the hurry-up mode is activated as it doesn't seem to create a problem anymore with recent ffmpeg.

* src/audio_output/mixer.c: fixed timestamp rounding problem.

 input_EsOutDelete.

* modules/access/dshow/*: compilation fixes.
* include/vlc_common.h: added a couple of casts to TAB_APPEND().

* modules/access/v4l/v4l.c: small fix and added a --v4l-chroma option to force a chroma fourcc for the video device.

* src/input/input.c: oops, set the ES format before selecting it.

* configure.ac, extras/MacOSX/*: bumped version number to 0.7.0-test1 in preparation for the test release.

 dts are  still calculated for  a 25fps stream. (The  packetizer doesn't
 calulate pts/dts for now).