[tracker] (7 commits) ...Merge branch 'grouped-deletes'

[Martyn James Russell <mr src gnome org>]

Summary of changes:

  7e18369... libtracker-data: Make SparqlUriIsDescendant() Sql function  (*)
  7ceca64... libtracker-data: Modify Sparql parser to have tracker:uri-i (*)
  7ca0d59... libtracker-miner: Add bulk operations to the MinerFS proces (*)
  3241d30... miner-fs: Make use of bulk operations when deleting resourc (*)
  67b9e04... libtracker-miner: Avoid use of already disposed memory (*)
  79cd772... processing-pool: Map correctly errors to tasks after array  (*)
  bbc4c4d... Merge branch 'grouped-deletes'

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