[gnome-photos] (24 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:

  30f12b2... Add Instagram filters
  1892836... Add a new mode for Edit
  c808e1f... Add an edit-current action
  f3f0a71... embed: Don't reset the PreviewView when returning from edit
  5ce9ef1... preview-view: Show the buttons when returning from edit mod
  bef65c4... main-toolbar, icons: Edit toolbar
  4b61253... base-item: Create the GEGL graph from the main thread
  25357b4... base-item: Take advantage of better caching during download
  af8c50e... Add an image editing pipeline
  374269a... application, preview-view: Hook up various edit operations 
  8ea2044... main-toolbar: Add the GAction to the undo button
  089c808... base-item: Remove photos_base_item_get_bbox
  186d647... base-item: Split the loading and editing graphs
  c7cee9b... gegl-gtk-view: Remove gegl_gtk_view_new_for_buffer
  d1535fa... Add PhotosTool
  fbc8ed7... utils: Add an extension point for PhotosTool sub-classes
  675c6cb... Add PhotosToolSharpen
  6b57efc... Add PhotosToolFilters
  b091c82... Add PhotosToolCrop
  4619cd4... Add PhotosEditPalette
  91f2467... gegl-gtk-view-helper, preview-view: Merge AUTOSCALE_CONTENT
  cc46283... gegl-gtk-view, gegl-gtk-view-helper: Mark (x, y) as read-on
  0e8192f... preview-view: Use EditPalette for showing the editing contr
  4492ee4... Add PhotosEditBar