[tracker] (11 commits) Created branch wal

[Martyn James Russell <mr src gnome org>]

The branch 'wal' was created.

Summary of new commits:

  9c85fb6... libtracker-db: Enable Write-Ahead Logging in SQLite
  1a15376... libtracker-data: Do not use overly large transactions anymo
  92d1aab... tracker-store: Drop special batch handling
  a51085b... tracker-store: Allow running queries while update is runnin
  e9d93eb... libtracker-db: Disable shared cache, required for parallel 
  516fdf1... tracker-store: Store sender for turtle import tasks as well
  f7c0a5d... tracker-store: Never try to process more than 1 million eve
  42bd68e... tracker-store: Turtle import improvements
  9d69666... libtracker-data: Add tracker_data_load_turtle_file
  e04ef24... tracker-store: Use tracker_data_load_turtle_file
  6d7fc97... libtracker-data: Remove tracker-sparql-query.h from public