uadefix

2.3.1 uadefix

New:

• Added support for WAVE_FORMAT_EXTENSIBLE to the internal
  wav dexcoder.
• Added optional buffer_size parameter to input.alsa and
  output.alsa (savonet#4243)

Changed:

• Make alsa I/O work with buffer size different than
  liquidsoap internal frame (#4236)
• Make "song" metadata mapping to "title" metadata in
  input.harbord disabled when either "artist" or "title"
  is also passed. Add a configuration key to disable this mechanism.
  (savonet#4235, savonet#2676)

Changed:

• Convert all ICY (icecast) metadata from input.http to utf8.