[tracker] (11 commits) Created branch wip/extract-graphs

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/extract-graphs' was created.

Summary of new commits:

  ab6a572... libtracker-sparql: Allow append() on embedded inserts in Tr
  75e8f47... libtracker-extract: Move TrackerExtractInfo out to its own 
  d5833cb... tracker-extract: Pass a TrackerExtractInfo to the exported 
  9253585... tracker-extract: Add a "graph" parameter to dbus methods
  a44d6d6... tracker-extract: Pass the graph down to extract modules
  90876a6... tracker-extract: use provided graph when inserting keywords
  8577b2b... tracker-extract: use provided graph when inserting keywords
  cb811b8... tracker-extract: use provided graph when inserting keywords
  b840b93... tracker-extract: use provided graph when inserting keywords
  f707d79... tracker-extract: use provided graph when inserting keywords
  d499980... Revert "ontology: Remove tracker:writeback property from na