some cleanup.

  + fixed a possible crash with Alt+X shortcuts
  + fixed volume slider update

 header, since it doesn't seem to be reliable

* modules/gui/wxwindows/*: use the wxL2U macro when necessary.

* ALL: bumped version number to 0.7.0-test3

not affect or be seen in upcoming release.

* src/libvlc.h: on win9x --win9x-cv-method=0 was problematic (eg. vlc could get stuck during video startup) so --win9x-cv-method=1 is now the default.

* src/libvlc.c: small fixes to Usage().

* include/vlc_block.h: added a temporary i_rate field to block_t.
* modules/codec/libmpeg2.c: synchro uses p_block->i_rate again.
* src/input/*: do not decode audio when i_rate != DEFAULT_RATE.

* modules/video_output/directx/events.c: warning message into debug message.

* modules/video_output/directx/events.c: fixed mouse coordinates for dvd navigation which got broken when we switched to using a child window for the video.

  unavailable after several songs.

  This fixes the ID3 detection of ID3v1.

* modules/access/dshow/dshow.cpp: fixed previous fix.

back to config_PutInt when using the fullscreen button on the interface. This allows to remember the fullscreen setting when changing playlist item

* modules/access/dshow/dshow.cpp: small fix for devices list.

* modules/codec/libmpeg2.c: compiles with the latest libmpeg2 cvs.

* modules/gui/wxwindows/*: use our new wxL2U() macro where needed.

* modules/gui/wxwindows/*: don't forget to convert the filename/author fields in the playlist to the encoding in use by the wxWindows interface.

    + Added missing copyright information.
    + Added GPL header.
  * src/misc/iso-639_def.h:
    + Removed useless (and unprotected) macros.

         because it's reserved for system shorcuts - added a workaround)

    + Added pda.glade to the list of Glade2 generated files.
    + Remove strings such as "http://" or "/dev/video0" from the list of
      translated strings in the PDA interface.
  * Fixed grammar, spelling, a few pathetic inconsistencies, removed trailing
    whitespaces and tabulations here and there.

    code is still unsafe, bounds need to be checked after each sprintf/strcat
    call.

   for sliders)

  + Cleaned a bit the way the prefs are created
  + Added missing CONFIG_ITEM_KEY implementation

    fix support of audio channel mixers, like the headphone channel mixer
    for instance, which was broken since the introduction of user audio
    filters; if specified by the user and compatible with the audio
    pipeline, we add the channel mixer after the user filters.
    -> unfortunately, this fix removed two strings and introduced 4 new
       ones
    -> TODO: allow the user to choose only amongst channel mixers, not
       all available audio filters

* vlc.exe.manifest Makefile.am install-win32 :
    add a manifest file to allow the win32 gui to use Windows XP visual
    styles when available.

* modules/demux/mp4/mp4.c: fixed problem with buggy files that don't set the audio sample rate properly.

* modules/codec/araw.c: added "mlaw" as a fourcc for ulaw audio.