[rygel] (27 commits) Non-fast-forward update to branch wip/playlist-item

[Krzesimir Nowak <krnowak src gnome org>]

The branch 'wip/playlist-item' 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:

 http://live.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  e10d8fb... wip: Playlist item.

Commits added to the branch:

  0f5b215... examples: Add a C version of the example renderer plugin (*)
  47facff... server: Add generic Serializer class (*)
  525ba58... server: Add skeleton playlist handler (*)
  c4d4301... server: Extend HTTPServerURI for DIDL_S playlists (*)
  7e44ad3... server: Support all objects in HTTPRequest (*)
  9e130b5... server: Add DataSource for playlist XML data (*)
  302f9a0... server: Add DIDL_S resource to container (*)
  3515d83... server: Generate thumbs for native files only (*)
  34b0204... renderer: Mark strings for translation (*)
  171f8fa... renderer: Add PresetNameList to initial notify (*)
  92ada0a... renderer-gst: Add 3GPP mime-type (*)
  c3b8b1d... renderer: Set proper track number (*)
  6acf09c... renderer: Implement DIDL_S playlist support (*)
  5f7d6ea... renderer: Prevent signalling the same state (*)
  b2249ca... media-export: Prevent critical on file harvesting (*)
  25e6f23... media-export: Reenable media art extraction (*)
  ed1f9ea... renderer-gst: Check duration availability (*)
  b665665... docs: Implementing server plugins: Improvements (*)
  77b85ec... docs: librygel-renderer: Add an Implementing section. (*)
  998005e... docs: librygel-server: Remove duplicate license statements. (*)
  f5c90f7... docs: RygelPlaybinRenderer: Small improvement (*)
  e8b3871... renderer: Add GetCurrentTransportActions method. (*)
  3be3d71... docs: librygel-renderer-gst: Rename a section. (*)
  626b8e9... docs: librygel-renderer-gst: Rename the example (*)
  82a2698... docs: librygel-renderer: Add Implementing Renderers section (*)
  1e15fe4... server: Add playlist item.
  beb5026... media-export: Add playlist item.

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