[rygel] (25 commits) Non-fast-forward update to branch wip/tracker-3.0

[Jens Georg <jensgeorg src gnome org>]

The branch 'wip/tracker-3.0' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  ff73d01... core: Drop libtool support from plugin loader
  3a001b6... core: Add mutually exclusive plugin support
  b40b7ad... test: Use a custom test class for plugin loaders
  463378d... test: Add tests for MetaConfig
  affb143... test: Add test for conflicts with enable/disable
  1ce6e3d... tests: Catch exceptions

Commits added to the branch:

  d60c3aa... Update Swedish translation (*)
  65530dd... Updated Spanish translation (*)
  1dc3275... engine-gst: Restore potential transmuxing capabilities (*)
  7738e38... Update Chinese (Taiwan) translation (*)
  e732f3f... Update Chinese (Taiwan) translation (*)
  e032f4c... renderer-gst: Fix warning about GIR namespaces (*)
  9da4918... engine-gst: Add accessor for seek request (*)
  5bae8f8... engine-gst: Refactor transcoding into data source (*)
  1ad798e... engine-gst: Make it possible to override preroll (*)
  7160d43... engine-gst: Move creation of the transcoder to preroll (*)
  0c932b6... engine-gst: Use GES for time seeking during transcoding (*)
  f0d9fca... renderer-gst: More GIR namespace fixes (*)
  2f55843... Update Ukrainian translation (*)
  0ea6ce0... Revert "engine-gst: Use GES for time seeking during transco (*)
  9142eab... Updated Spanish translation (*)
  00a1c93... server: Fix TimeSeekRange header formatting (*)
  29f9a59... test: Re-add time-seek test
  52a2546... core: Drop libtool support from plugin loader
  813b18e... core: Add mutually exclusive plugin support
  f6142db... test: Use a custom test class for plugin loaders
  d7ab7aa... test: Add tests for MetaConfig
  3206163... test: Add test for conflicts with enable/disable
  7145a45... tests: Catch exceptions
  2b874af... tracker: nmm:albumTitle -> nie:title
  3dd43cc... tracker3: Add plugin to support tracker3

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