[ease/themes] (9 commits) ...Merge branch 'master' into themes

[Nate Stedman <natesm src gnome org>]

Summary of changes:

  f620016... Added an "About Ease" dialog. (*)
  a094f0c... Added error_dialog function, replacing various repeated imp (*)
  259c7b0... Add additional documentation. (*)
  1c02e99... VideoActor now implements Clutter.Media. (*)
  1b7d08d... Merge branch 'master' into themes
  af745cc... Favor Element.get over Element.data.get.
  7dae051... Better handling of paths.
  f01addf... Scale down presentations if they are too large to fit on sc (*)
  197b782... Merge branch 'master' into themes

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