[tracker] (12 commits) ...Merge branch 'extractor-rules-list'

[Martyn James Russell <mr src gnome org>]

Summary of changes:

  625d970... libtracker-extract: Add extractor modules manager. (*)
  557ac36... tracker-extract: Use module manager from libtracker-extract (*)
  f88855d... tracker-extract: mass change extractors (*)
  acc0efc... tracker-extract: Add rule files for the extractors (*)
  0b3b21b... tracker-miner-fs: avoid roundtrips to the extractor (*)
  77b905a... libtracker-extract: Use same exclusion preprocessor rules a (*)
  6099310... libtracker-extract: Whitespace fixes (*)
  f8c900d... libtracker-extract: Renamed tracker-extract-module-manager  (*)
  51115dc... tracker-extract: Added note about why rule files are not in (*)
  5d08db6... tracker-extract: Updated man page to include env var TRACKE (*)
  2cc18d4... libtracker-extract: Updated documentation example for track (*)
  b2b9096... Merge branch 'extractor-rules-list'

(*) This commit already existed in another branch; no separate mail sent