Migrate some old pages
From https://cgit.freedesktop.org/wiki/www/ and http://web.archive.org/web/*/https://www.freedesktop.org/wiki/Software/fprint/
It might be useful to revive info from:
- Security_notes.mdwn
- libfprint/Imaging_performance.mdwn
- libfprint/NBIS_adventures.mdwn
- libfprint/USB_sniffing.mdwn