[tracker] (24 commits) Created branch wal

[Jürg Billeter <juergbi src gnome org>]

The branch 'wal' was created.

Summary of new commits:

  bb4fe2a... libtracker-db: Enable Write-Ahead Logging in SQLite
  3c04eca... libtracker-data: Do not use overly large transactions anymo
  e7c8c51... tracker-store: Drop special batch handling
  cf63d09... tracker-store: Allow running queries while update is runnin
  4f8d2aa... libtracker-db: Disable shared cache, required for parallel 
  156ed53... tracker-store: Store sender for turtle import tasks as well
  c210543... tracker-store: Never try to process more than 1 million eve
  49a2ba5... tracker-store: Turtle import improvements
  80076d8... libtracker-data: Add tracker_data_load_turtle_file
  b69859b... tracker-store: Use tracker_data_load_turtle_file
  6ac5f7a... libtracker-data: Also delete -shm and -wal files when delet
  4194996... libtracker-data: Transaction handling fixes
  4cfa801... libtracker-data: Allow multiple statement instances for the
  3bc71ed... libtracker-data: Use single DB file
  509475d... libtracker-data: Remove tracker-sparql-query.h from public 
  187abdc... Update .gitignore
  9815083... tracker-store: Allow disabling CPU affinity with env var
  3c01c3e... libtracker-data: Don't leak in_use_filename in db-manager
  20fa83f... libtracker-data: remove all null checks before g_free() in 
  f918873... Rebase fixes
  3dd2739... docs/tools: Fix build
  ea51529... libtracker-data: Fix ontology change test
  7249298... plugins/kmail: Fix build
  fed9ba2... Fix steroids test to work without installation