And removal of old strings

signedness problems due to error handling

Fixes #11502

CVE-2014-0333

Finally, a release!

Also use unsigned char rather than int as the type
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

libvlc_media_player_set_video_title_display() was wrongly using the
enum value directly, leading to the video title appearing in the wrong
position for some values
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

This avoids glitching when changing the equalizer bands from LibVLC.

So that it works for LibVLC too.

playlist_EnableAudioFilter() can be used to turn the equalizer on or off.
The GUI already does so.

This is no longer set anywhere, since equalizer-preset superseded it.