[tracker-miners] (8 commits) Non-fast-forward update to branch wip/jfelder/audio-writeback

[Sam Thursfield <sthursfield src gnome org>]

The branch 'wip/jfelder/audio-writeback' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  9a1bdb4... functional-tests: Remove unnecessary newline in error messa
  573fe3a... functional-tests: Fix indent in JSON file
  7bc0355... writeback: Add GStreamer based writeback module

Commits added to the branch:

  7a46c96... writeback: Add GStreamer based writeback module
  0bb5da5... writeback: Remove the taglib based extractor
  8bb00f3... writeback: Give more info when we report an unsupported fil
  7c9d30e... writeback/gstreamer: Support audio/x-vorbis+ogg
  96cb8de... functional-tests: Existing writeback tests are only for ima
  49f2088... functional-tests: Ensure writeback tests load data from the
  7315690... functional-tests: Rework the writeback test case baseclass
  81023da... functional-tests: Add tests for audio writeback module