[tracker] (17 commits) Created branch fts4

[Carlos Garnacho <carlosg src gnome org>]

The branch 'fts4' was created.

Summary of new commits:

  797abaa... libtracker-fts: Update to FTS4
  3ae21c2... libtracker-fts: Implement tokenizer FTS module using Tracke
  4c9ca70... libtracker-data: Add tracker_db_interface_sqlite_fts_delete
  5de6ce9... libtracker-data: Create several columns for FTS data
  4a3d238... libtracker-fts: Add the tracker_rank() sqlite function
  3b411cb... libtracker-fts: Add tracker_offsets() sqlite function
  68a3bfb... libtracker-fts: Add a way to modify FTS table columns
  0074c2f... libtracker-data: Cope with ontology changes in the FTS tabl
  ca5d294... libtracker-data: remove useless FTS functions
  e3e1bf8... libtracker-data: Gather FTS changes to perform a single ins
  0982e2c... fts: Respect max-words configuration setting
  2187b80... libtracker-data: Perform FTS matching in subquery
  d10e271... libtracker-data: Implement fts:snippet()
  b806601... build: require SQLite 3.7.7 for FTS4
  03c2ab4... libtracker-data: Fix fts detection when constructing SQL
  a34b8e0... libtracker-fts: Fix reentrancy issues in the TrackerTokeniz
  b3932d1... libtracker-data: Fix FTS initialization