[ease/plugins] (7 commits) ...Merge branch 'flickr' into plugins

[Nate Stedman <natesm src gnome org>]

Summary of changes:

  4d7d700... Delimit search terms with commas. (*)
  fca24b8... Speed the process by getting thumbnails size. (*)
  605f71e... Added a close confirmation dialog to the editor. (*)
  760f609... Bump valac requirement, generate debugging info. (*)
  36d4f4d... Merge branch 'master' into plugins
  b03ebcf... Added locking and error handling.
  328deab... Merge branch 'flickr' into plugins

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