[libgdata] (12 commits) Non-fast-forward update to branch wip/pwithnall/youtube-v3

[Philip Withnall <pwithnall src gnome org>]

The branch 'wip/pwithnall/youtube-v3' 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:

  847cfdc... youtube: WIP work to port to API v3

Commits added to the branch:

  7887424... demos: Expand youtube-cli functionality (*)
  7fc7b3a... youtube: Fix default values of GDataYouTubeQuery location p (*)
  b354ff4... core: Expose gdata_parser_error_from_json_error() internall (*)
  f89b123... app: Add support for JSON to GDataAPPCategories (*)
  9dc3981... core: Add internal API for setting GDataFeed:total-results (*)
  de74263... media: Add JSON support to GDataMediaThumbnail (*)
  d8a40c6... core: Add JSON support to GDataUploadStream (*)
  750bb7f... core: Add new JSON internal parser helper methods (*)
  5fd7761... tests: Allow use of deprecated API in unit tests (*)
  950828f... youtube: Add a GDataYouTubeFeed helper class for parsing fe
  a581ba4... youtube: Port to the YouTube API version 3
  30a1aa7... youtube: WIP v3 port

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