[tracker] (21 commits) Created branch wip/fts4

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/fts4' was created.

Summary of new commits:

  049387a... libtracker-fts: Update to FTS4
  5485a2d... libtracker-fts: Implement tokenizer FTS module using Tracke
  da42a71... libtracker-data: Add tracker_db_interface_sqlite_fts_delete
  1b788ea... libtracker-data: Create several columns for FTS data
  6f31028... libtracker-fts: Add the tracker_rank() sqlite function
  b8271de... libtracker-fts: Add tracker_offsets() sqlite function
  083ee7d... libtracker-fts: Add a way to modify FTS table columns
  4d9bfa5... libtracker-data: Cope with ontology changes in the FTS tabl
  bfde9a6... libtracker-data: remove useless FTS functions
  e76257e... libtracker-data: Gather FTS changes to perform a single ins
  4a391c7... fts: Respect max-words configuration setting
  70dd67d... libtracker-data: Perform FTS matching in subquery
  dc3040d... libtracker-data: Implement fts:snippet()
  627c56a... Update FTS code
  febae68... squash me, some changes that might be better put together w
  3531644... libtracker-fts: Fix reentrancy issues in the TrackerTokeniz
  bdc1f5a... libtracker-data: Fix fts detection when constructing SQL
  c8bd949... libtracker-data: Fix FTS initialization
  ba7e487... Detect at configure time whether FTS needs compiling
  98778e7... Handle FTS queries more generically
  b552e54... tracker-needle: display snippet where available