LAME MP3 Encoder full changelog

Rogério Brito
Don't include the debian directory as one that is needed during builds. Patch taken from Debian's packaging of lame.
Resurrect Owen Taylor's code dated from 97-11-3 to properly deal with GTK1. This was transplanted back from aclocal.m4 with a patch provided by Andres Mejia. This change makes it easy to regenerate autotools' files with a simple invocation of autoconf -vfi.
Fix possible race condition causing build failures in libmp3lame. Discovered in automated builds by the Debian project with patch provided by Andres Mejia.

Robert Hegemann
Improved detection of MPEG audio data in RIFF WAVE files. Tracker item [ 3545112 ] Invalid sampling detection
New switch --gain <decibel>, range -20.0 to +12.0, a more convenient way to apply Gain adjustment in decibels, than the use of --scale <factor>.
Fix for tracker item [ 3558466 ] Bug in path handling
Fix for tracker item [ 3567844 ] problem with Tag genre
Fix for tracker item [ 3565659 ] no progress indication with pipe input

Due to some bugs in 3rd party HW/SW decoders, those were not be able to make use of LAME's extended info tag anymore, resulting in problems with things like gapless playback.