Allow users to paste images or drag'n'drop from Photos.app

[davidcelis]

Neither of these things work and I'm not sure why (especially for Photos.app) but this should be possible

[davidcelis]

This is a possible solution: http://stackoverflow.com/questions/30110525/how-can-my-os-x-app-accept-drag-and-drop-of-picture-files-from-photos-app