[gnome-photos] (33 commits) ...icons, main-toolbar: Add an edit button

[Debarshi Ray <debarshir src gnome org>]

Summary of changes:

  a5e8cd6... gegl-gtk-view-helper: Look at bbox's origin when positionin (*)
  c3dc096... preview-view: Be more strict about what is acceptable (*)
  2eca001... Add Instagram filters (*)
  76a6fc1... Add a new mode for Edit (*)
  1627639... application: Add an edit-current action (*)
  bf01fa3... embed: Don't reset the PreviewView when returning from edit (*)
  e57ef8a... preview-view: Show the buttons when returning from edit mod (*)
  f9bf8e1... base-item: Create the GEGL graph from the main thread (*)
  5bef0fb... base-item: Take advantage of better caching during download (*)
  f2cc163... Add an image editing pipeline (*)
  75258ad... application, preview-view: Hook up various edit operations  (*)
  81bd21b... base-item: Remove photos_base_item_get_bbox (*)
  c28d42b... base-item: Split the loading and editing graphs (*)
  8b88f09... base-item: Add photos_base_item_get_bbox_source (*)
  431523d... Add PhotosTool (*)
  182bee8... utils: Add an extension point for PhotosTool sub-classes (*)
  45b5910... Add PhotosToolEnhance (*)
  f1e3ba4... Add PhotosToolFilters (*)
  f6f2f9f... Add PhotosToolCrop (*)
  890b036... Add PhotosToolColors (*)
  c80c4b0... Add PhotosEditPalette (*)
  6480b3f... preview-view: Use EditPalette for showing the editing contr (*)
  f20d95b... Add PhotosEditBar (*)
  d5eb1dc... preview-view: Use the correct height and width when drawing (*)
  1aaef49... preview-view: Drop deprecated GDK_POINTER_MOTION_HINT_MASK (*)
  4ad3186... icons: Add editing icons (*)
  8f3bb67... resource: Clean up (*)
  eb022a2... base-item: Add photos_base_item_save_async (*)
  e774b73... query-builder, utils: Move convert_path_to_uri (*)
  13bcff4... utils: Add photos_utils_get_pixbuf_type_from_mime_type (*)
  7452721... application: Add edit-cancel and save-current actions (*)
  79a8fdb... main-toolbar: Edit toolbar (*)
  b0d01b0... icons, main-toolbar: Add an edit button (*)

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