1.9.90
  * Port media-keys plugin to libmatemixer
  * Remove GStreamer bits, make libmatemixer, libcanberra and PulseAudio
    optional dependencies
  * Adapt to mate-desktop MateRR* API changes. Thanks to monsta for testing.

1.8.0
  * Add GTK3 support
  * Add Middle Click Emulation to mouse manager

1.6.0
  * Migration to gsettings