[tracker] (21 commits) Created branch fts4

[Carlos Garnacho <carlosg src gnome org>]

The branch '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()
  0dcb58c... libtracker-fts: Fix reentrancy issues in the TrackerTokeniz
  2252ac5... libtracker-data: Fix fts detection when constructing SQL
  0dc23a3... libtracker-data: Fix FTS initialization
  753e667... Update FTS code
  22455f2... Detect at configure time whether FTS needs compiling
  7b4bbf4... Use fts4 external content tables on Tracker FTS
  eef376b... Handle FTS queries more generically
  1e137ac... tracker-needle: display snippet where available