[tracker-miners] (14 commits) ...Merge branch 'wip/carlosg/graphs' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  ce30db3... libtracker-extract: Simplify API to obtain extract module (*)
  252f562... libtracker-extract: Rename API function (*)
  bfa3530... libtracker-extract: Rename API function (*)
  093d50d... libtracker-extract: Add infrastructure to keep graph info i (*)
  5bf1589... libtracker-extract: Add means to store the graph in Tracker (*)
  719e924... tracker-extract: Store the graph as specified in the extrac (*)
  deba0c6... tracker-extract: Drop "generic dlna" tracker-extract rule (*)
  eeef3e5... tracker-extract: Set graph on extractor rules (*)
  f4d125c... tracker-miner-rss: Do not use TRACKER_OWN_GRAPH_URN (*)
  1041701... tracker-miner-fs: Change usage of graphs (*)
  bc1b544... tests: Stop using TRACKER_OWN_GRAPH_URN in libtracker-miner (*)
  ea9b5f6... functional-tests: Fix usage of TRACKER_OWN_GRAPH_URN (*)
  e368e2c... tests: Perform SELECT DISTINCT to find out resource URN (*)
  ec9f1cd... Merge branch 'wip/carlosg/graphs' into 'master'

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