Log Message:
Update to 1.0.16. Use pkgsrc's config file framework.

New with 1.0.16, released 2005-08-07:

* New backends: genesys, sm3840
* Updated backends: avision, canon, coolscan, epson, gphoto2, gt68xx, mustek,
  mustek_pp, niash, plustek, plustek_pp, qcam, sm3600, snapscan, teco2,
  umax_pp, v4l.
* More functionality/fixes for sanei_usb and sanei_pp.
* Added sanei_access to allow locking of SANE devices.
* Hotplug updates.
* scanimage updates.
* Portability fixes (especially for OS/2, 64bit platforms, BeOS+ZETA).
* Added Polish translation. Updated other translations. Fixed format strings.
* Documentation updates.
* Bugfixes.