[fprint] fprint storage

[Daniel Drake]

Vasily Khoruzhick wrote:
> Hi, here's first implementation of storage.
> 
> Still dirty - there's no uid check.
> Only simple file storage implemented. Fingerprints for each user stored 
> in /etc/fprint/<username>/<device_id>/<device_type>/<finger_num>
> 
> There's still much work to do, and this patch is my basic vision of fprint 
> storage.

Thanks! applied with just a quick glance over it.
I changed the storage to /var/lib/fprint, hope you don't mind. That is a 
more appropriate place for persistent runtime data.

> Also here's patch for libfprint to compile it with latest libusb-1.0 ;)

applied and fixed some warnings too.

Thanks!
Daniel