[gnome-photos] (8 commits) Non-fast-forward update to branch wip/rishi/collection

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/rishi/collection' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  616c844... Add PhotosDeviceItem
  4bffa56... Support explicitly specifying the BaseItem sub-class to cre
  d182aba... Add a new mode for importing items from an attached device
  38e32c1... base-item: Assert that an item that can't be edited, actual
  c2323b6... print-operation: Simplify code by using the BaseItem's fall
  5d689a4... device item
  43a63f9... device item

Commits added to the branch:

  bda3e98... Add PhotosDeviceItem
  9cafca4... Support explicitly specifying the BaseItem sub-class to cre
  477e70a... Add a new mode for importing items from an attached device
  3f6e5a3... base-item: Assert that an item that can't be edited, actual
  e1acb8e... print-operation: Simplify code by using the BaseItem's fall
  7e417dd... Let the BaseItem sub-classes specify where to place their t
  7c256fb... base-item: Add a create_thumbnail_path virtual method
  c7d108e... Use BaseItem API to get the thumbnail path