[gnome-photos] Created tag 3.20.4

[Debarshi Ray <debarshir src gnome org>]

The signed tag '3.20.4' was created.

Tagger: Debarshi Ray <debarshir gnome org>
Date: Fri Oct 7 08:18:34 2016 +0200

    3.20.4

Changes since the last tag '3.20.3':

Daniel Korostil (1):
      Updated Ukrainian translation

Debarshi Ray (8):
      Add photos_utils_set_string
      Add photos_utils_take_string
      base-item: Don't leak the cursor data while refreshing
      preview-view: Use the right API to detect if a BaseItem is a collection
      preview-view, preview-nav-buttons: Don't walk past the edges
      view-container: Restrict app.select-all to the current mode
      base-item: Adjust the extension when exporting
      Prepare 3.20.4

GNOME Translation Robot (1):
      Updated Scottish Gaelic translation

Matej Urbančič (1):
      Updated Slovenian translation

Sveinn í Felli (1):
      Updated Icelandic translation