[gnome-photos] (14 commits) ...offset-controller: Make it an abstract type with a pluggable query

[Debarshi Ray <debarshir src gnome org>]

Summary of changes:

  14310e0... Update to latest libgd (*)
  86a66bd... mode-controller: Add a new mode for Favorites (*)
  b047126... query-builder: Add a new flag and queries for the Favorites (*)
  3968342... main-toolbar: Add a button to represent the overview mode (*)
  4cdd0ab... base-manager: Do not replace existing objects for a particu (*)
  5303fe9... change-monitor: Do not leak the event when merging (*)
  ded2163... main-toolbar: Add a button to represent the favorites mode (*)
  3cfdbd2... tracker-controller: Make it an abstract type with a pluggab (*)
  cdc9b25... view-model: Clear the row-ref when an item is removed (*)
  8fc0ee2... Add PhotosTrackerFavoritesController (*)
  f22f221... view-model: Filter the items from PhotosItemManager based o
  229e1de... view-container: Behave according to the mode -- favorites o
  381b8ee... embed: Add a view for the favorites mode
  f910bab... offset-controller: Make it an abstract type with a pluggabl

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