[nautilus] (8 commits) Non-fast-forward update to branch sam/tracker-3

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/tracker-3' 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:

  b23f22b... tests: Make Tracker search test return error code on failur
  348e1ab... Port to Tracker 3
  b372a0f... nautilus-tag-manager: Update to use TrackerSparqlStatement
  20da51f... Add test for starred files feature
  54ac556... build: Set NAUTILUS_DATADIR correctly
  0376d00... WIP: Store starred files in a private database

Commits added to the branch:

  7ba6985... nautilus-tag-manager: Fix checks for cancellation
  85a5a51... build: Set NAUTILUS_DATADIR correctly
  693a22e... tests: Make Tracker search test return error code on failur
  cb6b819... Add NAUTILUS_DEBUG=TagManager flag
  15f70ee... Port to Tracker 3
  9a91ebe... nautilus-tag-manager: Update to use TrackerSparqlStatement
  321a6cf... Add test for starred files feature
  b68b6ac... nautilus-tag-manager: Store starred files in a private data