[gnome-photos] (13 commits) Created branch wip/rishi/thumbnailer

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/rishi/thumbnailer' was created.

Summary of new commits:

  30dba9c... utils: Short-circuit larger GdkPixbufs when centering
  54d3c0a... base-item: Center the thumbnails in an imaginary 256x256 gr
  810fa19... utils: Use a fuzz factor to decide whether a thumbnail is t
  cce7702... utils: Don't border the placeholder icons
  3f974c6... Update to latest libgd
  5793b58... base-item: Clean up the mess when photos_base_item_load_asy
  17d437e... Add EggTaskCache
  f27ca6d... pipeline: Shuffle some code around
  1eedb3d... pipeline: Loosen the requirement to have a parent during co
  d7bafae... base-item: Add a cache to batch together pipeline loading o
  b16185d... base-item: Add EggTaskCache wrapper to asynchronously load 
  aaeb3ae... base-item: Rename a function
  1706b06... base-item: Use EggTaskCache to asynchronously load the pipe