[tracker] (17 commits) ...libtracker-extract: Improve the documentation and document tracker-utils.[ch]

[Martyn James Russell <mr src gnome org>]

Summary of changes:

  86911d5... libtracker-extract: Added example to examples/libtracker-ex (*)
  41bd19a... tracker-extract: Added --force-module option (*)
  64f8139... libtracker-extract: Added tracker-extract.h to include othe (*)
  088ba86... tracker-extract: Removed unused defines (*)
  2765e18... tracker-extract: Removed a bunch of unnecessary includes (*)
  b420ebf... tracker-extract: Fixed type for force-module option (*)
  d0aa6ae... tracker-extract: Fixed linking (*)
  55f6afc... tracker-extract: Removed ImageMagick extractor, not used fo (*)
  1a4faae... libtracker-common: Added check for inclusion outside Tracke (*)
  f72958e... libtracker-client: Added tracker-client.h for central inclu (*)
  ca9a92d... libtracker-client: Relicense to LGPL from GPL (*)
  a4056e1... libtracker-extract: Relicense to LGPL from GPL (*)
  9f6fcc9... libtracker-extract: Don't include libtracker-common files i (*)
  9e0ffdd... libtracker-extract: Moved exif section docs out of #ifdef (*)
  2bb3b10... libtracker-extract: Code clean up (*)
  07e77e6... Fixed documentation include references (*)
  107aea4... libtracker-extract: Improve the documentation and document  (*)

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