[tracker-miners] (9 commits) ...Merge branch 'wip/jfelder/audio-writeback' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  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 (*)
  d2963e3... functional-tests: Rework the writeback test case baseclass (*)
  488203d... functional-tests: Add tests for audio writeback module (*)
  1d545b0... Merge branch 'wip/jfelder/audio-writeback' into 'master'

(*) This commit already existed in another branch; no separate mail sent