[tracker] (11 commits) Created branch wal

[Jürg Billeter <juergbi src gnome org>]

The branch 'wal' was created.

Summary of new commits:

  ad5c945... libtracker-db: Enable Write-Ahead Logging in SQLite
  9fccd0c... libtracker-data: Do not use overly large transactions anymo
  d995c28... tracker-store: Drop special batch handling
  0c9e8f2... tracker-store: Allow running queries while update is runnin
  28f3a0b... libtracker-db: Disable shared cache, required for parallel 
  c305d2b... tracker-store: Store sender for turtle import tasks as well
  53fd57c... tracker-store: Never try to process more than 1 million eve
  4726bee... tracker-store: Turtle import improvements
  de8bb03... libtracker-data: Add tracker_data_load_turtle_file
  dd12095... tracker-store: Use tracker_data_load_turtle_file
  83ad688... libtracker-data: Remove tracker-sparql-query.h from public