[tracker] (16 commits) ...Merge branch 'wip/carlosg/deserializer-cursors' into 'master'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  a79e1ff... libtracker-sparql: Add JSON cursor deserializer (*)
  d155016... libtracker-sparql: Add XML cursor deserialization (*)
  6e26e0b... tests: Do not leak cursors (*)
  1398c33... libtracker-sparql: Replace remote connection cursors with d (*)
  5e49add... tests: Merge cursor tests into their own executable (*)
  1eff0bc... tests: Refactor cursors test (*)
  da2aa1e... tests: Do not use separate test to poke cursors after last  (*)
  185e2aa... tests: Refactor static variable usage (*)
  2dc8d63... libtracker-sparql: Set connection on bus TrackerSparqlState (*)
  feab59e... libtracker-sparql: Set connection consistently on all Track (*)
  e2a3afb... tests: Run cursor tests on all connection types (*)
  aa6b3eb... tests: Compare cursors more exhaustively in cursor tests (*)
  c3ab249... tests: Rename test (*)
  b84baa1... tests: Test both JSON and XML cursors (*)
  31f489b... tests: Assert that cursors have the right connection assign (*)
  a2beaec... Merge branch 'wip/carlosg/deserializer-cursors' into 'maste

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