[gnome-backgrounds] Created tag 3.17.3

[Jakub Steiner <jimmac src gnome org>]

The unsigned tag '3.17.3' was created.

Tagger: Jakub Steiner <jimmac gmail com>
Date: Thu Jun 25 16:06:02 2015 +0200

    3.17.3

Changes since the last tag '3.16.0':

Jakub Steiner (3):
      initial version of the 3.18 defaults
      3.18 default wallpaper tweaks
      prepare for 3.17.3 release

Kristjan SCHMIDT (1):
      Updated Esperanto translation

Mattias Põldaru (1):
      [l10n] Updated Estonian translation

Muhammet Kara (1):
      Updated Turkish translation

Sveinn í Felli (1):
      Added Icelandic translation

root (1):
      Updated Romanian Translation