[gnome-photos] (25 commits) Created branch wip/rishi/edit-mode

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/rishi/edit-mode' was created.

Summary of new commits:

  a8e26a5... Add Instagram filters
  424c835... Add a new mode for Edit
  9b8949f... Add an edit-current action
  d84f795... embed: Don't reset the PreviewView when returning from edit
  f585d85... preview-view: Show the buttons when returning from edit mod
  0cd131d... main-toolbar, icons: Edit toolbar
  7ef29c9... base-item: Create the GEGL graph from the main thread
  451f713... base-item: Take advantage of better caching during download
  581c5b0... Add an image editing pipeline
  294a768... application, preview-view: Hook up various edit operations 
  5e810ac... main-toolbar: Add the GAction to the undo button
  076be6e... base-item: Remove photos_base_item_get_bbox
  ef7aeeb... base-item: Split the loading and editing graphs
  5e731b8... gegl-gtk-view: Remove gegl_gtk_view_new_for_buffer
  f3e7b59... base-item: Add photos_base_item_get_bbox_source
  827946c... Add PhotosTool
  2b9c6ce... utils: Add an extension point for PhotosTool sub-classes
  bffdc51... Add PhotosToolSharpen
  01ea9be... Add PhotosToolFilters
  33be662... Add PhotosToolCrop
  2a33632... Add PhotosEditPalette
  5cb0fa7... preview-view: Use EditPalette for showing the editing contr
  93dcc9e... Add PhotosEditBar
  c181f75... preview-view: Use the correct height and width when drawing
  8e443c8... gegl-gtk-view-helper: Simplify the arithmetic