[tracker] (3 commits) Non-fast-forward update to branch sam/2.x-export-data

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/2.x-export-data' 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:

  d455b75... cli: Add `tracker export --type=` option
  ad1531b... cli: Give clearer output when no data to export

Commits added to the branch:

  1418c54... cli: Add `tracker export --type=` option
  134bb91... cli: Give clearer output when no data to export
  bb75f2d... cli: tracker export: Hardcode some value types