[gnome-photos] Created tag 3.31.3

[Debarshi Ray <debarshir src gnome org>]

The signed tag '3.31.3' was created.

Tagger: Debarshi Ray <debarshir gnome org>
Date: 1544710914 +0100

    3.31.3

Changes since the last tag '3.31.2':

Daniel Mustieles (1):
      Updated Spanish translation

Debarshi Ray (18):
      flatpak: Ensure that the latest commit is part of the version
      test-pipeline: Style fixes
      gegl: Be more strict about what is acceptable
      flatpak: Update LibRaw to 0.19.1
      Port to G_APPROX_VALUE
      gegl: Be more strict about what is acceptable
      gegl: Add photos_gegl_pixbuf_new_from_buffer
      gegl, thumbnailer: Don't use gegl:save-pixbuf
      gegl: Style fix
      gegl: Allow overriding the number of threads
      Add photos_gegl_compute_checksum_for_buffer
      tests: Test the GEGL utilities
      build: Add missing dependencies
      tracker-controller: Be direct when Tracker can't be found
      libgd: Revert unintended change
      main-toolbar: Style fix
      NEWS: Style fixes
      Prepare 3.31.3

Jakub Steiner (1):
      icon: app icon adjustments

Jens Georg (1):
      flatpak: Update the build flags for gexiv2