Only keep the full pes packet if using the zvbi teletext decoder. (zvbi should be fixed to be able to use the vbi data directly without all the pes stuff)

The ugly casting is correct wrt the vlc_object_t inheritance
Signed-off-by: Rafaël Carré <funman@videolan.org>

Fix a potential segfault.

We don't want config.h stuff in vlc_common.h

This avoids having to link a few plugins with libintl on platforms where
it's not built-in libc. This also factors the internal use of
dgettext("vlc", ...).

Otherwise, the user is screwed anyway

It was an artificially-created mess. Besides, many other Windows
applications also have a data, datadir or share directory.

Some comments about the naming of the subtitles (mplayer doesn't name as gnome-subtitles does, and none of them respect the main conventions)
Most of the subtitles format are now parsed. However, some styles are still discarded.

(well, you _can_ but you'd need to use uselocale() then)

(we don't want sample scripts to break in certain countries)

(and at least the Qt interface uses commas for preferences formatting)