Redo how album backups are done
Do backups


Former-commit-id: 5fd2e79a32f0c27ebe51174bfa87abd00fd99deb
Change backups to breakup images into smaller files for github. Restore images in batches to keep memory use low.


Former-commit-id: 48d2af5bfd988bc7fbf56ae7f3d31660dc83c237