ver 0.16.8 (2012/04/04)
* fix for libsamplerate assertion failure
* decoder:
  - vorbis (and others): fix seeking at startup
  - ffmpeg: read the "year" tag
* encoder:
  - vorbis: generate end-of-stream packet before tag
  - vorbis: generate end-of-stream packet when playback ends
* output:
  - jack: check for connection failure before starting playback
  - jack: workaround for libjack1 crash bug
  - osx: fix stuttering due to buffering bug
* fix endless loop in text file reader
* update: skip symlinks in path that is to be updated