[tracker-miners] (15 commits) Non-fast-forward update to branch sam/libav-testing

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/libav-testing' 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:

  76b53db... tracker-extract-libav: Add missing include
  e9e79d7... tracker-extract-libav: Check for all tags also from streams
  8eddafd... Test the libav backend in CI
  9ed7376... ci: Install necessary libav libraries in Fedora container
  4c63307... build: Add 'ffmpeg' build option
  e8d1829... tracker-extract-libav: Split into multiple functions
  b97ef92... tracker-extract-libav: Split musicpiece from musicalbum ext
  12b591a... tracker-extract-libav: Extract Musicbrainz and AcoustID tag
  c7be007... tracker-extract-libav: Extract albumTrackCount for Vorbis m
  ec8b928... tracker-extract-gstreamer: Use 'Z' in datetimes instead of 
  6258c48... Skip 'writeback-audio' test for ffmpeg/libav backend
  b623a67... tracker-extract-libav: Extract 'date' for audio correctly
  baa02ee... build: Disable cuesheet tests with ffmpeg/libav backend
  dd4db83... build: Disable disc-generic extractor when ffmpeg/libav bac

Commits added to the branch:

  05cfdde... tracker-extract-libav: Add missing include (*)
  6966ce0... tracker-extract-libav: Check for all tags also from streams (*)
  fbd641b... Merge branch 'libav_fixes' into 'master' (*)
  fdeb99a... Test the libav backend in CI
  c2ead5e... ci: Install necessary libav libraries in Fedora container
  118286b... build: Add 'ffmpeg' build option
  b4abd52... tracker-extract-libav: Split into multiple functions
  8b02502... tracker-extract-libav: Split musicpiece from musicalbum ext
  f4b1d51... tracker-extract-libav: Extract Musicbrainz and AcoustID tag
  14d0de6... tracker-extract-libav: Extract albumTrackCount for Vorbis m
  701bdab... tracker-extract-gstreamer: Use 'Z' in datetimes instead of 
  fe25aec... Skip 'writeback-audio' test for ffmpeg/libav backend
  dcf08e0... tracker-extract-libav: Extract 'date' for audio correctly
  db24f0d... build: Disable cuesheet tests with ffmpeg/libav backend
  6a439f6... build: Disable disc-generic extractor when ffmpeg/libav bac

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