[gnome-photos] Created tag 3.23.4

[Debarshi Ray <debarshir src gnome org>]

The signed tag '3.23.4' was created.

Tagger: Debarshi Ray <debarshir gnome org>
Date: Tue Jan 17 19:24:06 2017 +0100

    3.23.4

Changes since the last tag '3.23.3':

Alessandro Bono (2):
      Remove PhotosSettings
      Remove unused file

Debarshi Ray (27):
      Update to latest libgd
      preview-nav-buttons: Remove redundant header
      preview-nav-buttons: Use G_DECLARE_FINAL_TYPE
      tool-crop: Use G_DECLARE_FINAL_TYPE
      tool-colors: Use G_DECLARE_FINAL_TYPE
      tool-enhance: Use G_DECLARE_FINAL_TYPE
      tool-filters: Use G_DECLARE_FINAL_TYPE
      utils: Style fix
      utils: Add photos_utils_get_controller
      view-container, view-model: Use photos_utils_get_controller
      Move the code to update the OffsetControllers' count
      item-manager: Short-circuit collections in wait_for_changes_async
      camera-cache: Add a comment
      properties-dialog: Don't look for the camera if there is none
      item-manager: Shuffle some code around
      item-manager: Add mechanism for constraining item additions
      tracker-controller, view-model: Move policy to constrain item additions
      item-manager: Style fix
      view-model: Remove unused variable
      Update to latest libgd
      base-item: Implement GdMainBoxItem
      Port to GdMainBox
      application: Don't mandate GEGL's JPEG 2000 loader
      camera-cache: Style fix
      base-item: Use the right GMutex while loading a GeglBuffer
      base-item: Consolidate mutex_download; separate mutex for save_metadata
      Prepare 3.23.4

Jordi Mas (1):
      Fix to Catalan translation

Kartikeya Sharma (2):
      item-manager: Assert valid ID and URI in check_wait_for_changes
      item-manager: Don't look for collections in wait_for_changes_table

Scott Cohen (1):
      application: Add F1 accelerator to show help

Shivam Tripathi (3):
      Query the slo:location and store it in PhotosBaseItem
      query-builder: Add photos_query_builder_location_query
      properties-dialog: Show the location

Sveinn í Felli (1):
      Update Icelandic translation     (cherry picked from commit 20dce42632532d26fccb658ec7efcdb5c292f0fa)