[tracker] (7 commits) Non-fast-forward update to branch wip/carlosg/sparql1.1

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/sparql1.1' 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:

  feb911d... libtracker-sparql: Add TrackerEndpointDBus
  8508d44... libtracker-miner: Plug leak
  be0d955... libtracker-direct: Plug leak
  8507529... libtracker-direct: Plug update_array_async() leaks
  8e864f3... tests: Add test for GROUP BY (... AS ...)
  eb3c8b0... docs: Make ttl2sgml handle rdf:List elements
  9c75f4d... docs: Start migrate-2to3 document

Commits added to the branch:

  3a64e5e... libtracker-sparql: Add TrackerEndpointDBus
  9a57a10... libtracker-miner: Plug leak
  f0642d5... libtracker-direct: Plug leak
  7b5e987... libtracker-direct: Plug update_array_async() leaks
  7e9f001... tests: Add test for GROUP BY (... AS ...)
  1bce84c... docs: Make ttl2sgml handle rdf:List elements
  c8e964c... docs: Start migrate-2to3 document