[tracker] (16 commits) ...Set absolute max bytes that can be read to 10 Mbytes

[Martyn James Russell <mr src gnome org>]

Summary of changes:

  4fa9cf2... Fixes GB#616845 - Avoid word counting in the extractors (*)
  1dac9c6... Updated man page of tracker-extract.cfg with new max_bytes  (*)
  1f7b935... Fix the tracker-extract config (*)
  df7e496... Setup config also for standalone mode (*)
  afbd72a... tracker_text_validate_utf8 can return only the number of va (*)
  5baf6b5... Fixed text extractor (*)
  b73fddc... Moved the istream text reader to a separate file (*)
  a1771b9... minor alignment fix (*)
  0e0c1ce... Allow pid pointer being NULL (*)
  28f30b4... re-enable the check for non-NULL pid, as it is really neede (*)
  82316f6... Reuse the same code for text and oasis/contents (*)
  7492162... Files renamed as using GIOChannel instead of GInputStream (*)
  3144276... New unit tests for libtracker-extract added (*)
  1929fd5... tracker-extract: Some code clean ups from review (*)
  08539b4... Avoid the use of GIOChannels (*)
  9e42191... Set absolute max bytes that can be read to 10 Mbytes (*)

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