[gnome-music] (18 commits) Non-fast-forward update to branch wip/mschraal/tracker-detection

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/tracker-detection' 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:

  e132d8a... trackerwrapper: Use the async connection getter
  ca1a1fe... grltrackerplaylists: Only instantiate TrackerWrapper once
  64f634d... trackerwrapper: Add version check
  c8776df... coregrilo: Add TrackerWrapper check
  e86d660... coregrilo: Listen to tracker-available signal
  a6d545f... trackerwrapper: Make tracker-available an enum
  c33bea2... emptyview: Add Tracker outdated state and use it

Commits added to the branch:

  14d02fc... corealbum: Rework duration calculation (*)
  33ca419... albumwidget: Reset connected signal on update (*)
  5752c51... corealbum: Only request model update on selection changes (*)
  b28073a... corealbum: Various minor cleanups (*)
  5f11290... disclistboxwidget: Remove DiscSongsFlowBox (*)
  6a9f7b1... disclistboxwidget: Remove old selection functions (*)
  88b1c13... disclistboxwidget: Restore select_{all,none} (*)
  99ec8d0... songsview: Fix single selection (*)
  f75ad79... songwidget: Remove unused variable (*)
  fd2209d... Update Basque translation (*)
  a7eab5e... Add Karbi translation (*)
  c8e9568... trackerwrapper: Use the async connection getter
  3d2502d... grltrackerplaylists: Only instantiate TrackerWrapper once
  e11f112... trackerwrapper: Add version check
  dcba8da... coregrilo: Add TrackerWrapper check
  8315533... coregrilo: Listen to tracker-available signal
  b44c980... trackerwrapper: Make tracker-available an enum
  72aeeda... emptyview: Add Tracker outdated state and use it

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