[tracker] (18 commits) Non-fast-forward update to branch wip/carlosg/unrestricted-predicates

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/unrestricted-predicates' 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:

  173a5cd... libtracker-data: Add "triples" virtual table
  f56dea8... libtracker-data: Initialize "tracker_triples" virtual table
  d46bdef... libtracker-data: Use "tracker_triples" table in variable pr
  5763ac5... libtracker-data: Add property column to property path subqu
  af2f8f6... libtracker-sparql: Implement NegatedPropertySet path operat
  f81286a... tests: Add tests for negated property paths

Commits added to the branch:

  bc44dd7... Update Polish translation (*)
  9e6bccc... Update French translation (*)
  3a164cc... tests: Use tmp dir on tests (*)
  786a31e... Merge branch 'azzaronea/tracker-tmp-dir-tracker-backup-test (*)
  3c03b69... Update Greek translation (*)
  63c0a5d... tracker-monitor: Prevent stack smashing (*)
  082aec3... Updated Slovenian translation (*)
  b6592a0... Merge branch 'azzaronea/tracker-fix-issue-71' into HEAD (*)
  5a0322c... Update Hungarian translation (*)
  657a2f8... Update Galician translation (*)
  bb38f26... Update Romanian translation (*)
  c2d8659... Update Friulian translation (*)
  b9b1e8f... Update Indonesian translation (*)
  c21b968... Update Turkish translation (*)
  ab3c6d7... libtracker-data: Add "triples" virtual table
  a27b7b2... libtracker-data: Initialize "tracker_triples" virtual table
  5d18670... libtracker-data: Use "tracker_triples" table in variable pr
  7bb2bdf... libtracker-data: Add quotes around string literal

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