[gnome-control-center] (10 commits) Non-fast-forward update to branch wip/um-avatar-picker

[Jasper St. Pierre <jstpierre src gnome org>]

The branch 'wip/um-avatar-picker' 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:

  f41a1da... user-accounts: Add methods to fetch avatars from online acc
  73d1b9b... user-accounts: Add a new um-avatar-picker to replace um-pho
  512140e... user-accounts: Replace um-photo-dialog with new um-avatar-p

Commits added to the branch:

  41b8f1f... Updated Greek translation (*)
  37cfeda... Updated Slovenian translation (*)
  cdf774b... Fixed typo in string (*)
  cf7c8dc... Tajik translation updated (*)
  8ba5026... display: Update for libupower-glib API changes (*)
  e218141... build: Bump libupower-glib requirement (*)
  fd09f92... 3.11.1 (*)
  8529090... user-accounts: Add methods to fetch avatars from online acc
  fee48aa... user-accounts: Add a new um-avatar-picker to replace um-pho
  0cbbd05... user-accounts: Replace um-photo-dialog with new um-avatar-p

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