Log Message:
Update to 1.0.21:

New with 1.0.21, released 2010-04-25:

* New backends: kodak (Kodak i18xx), kvs1025 (Panasonic KV-S10xx),
  p5 (Primax PagePartner)
* 224 more scanner models supported.
* Many backends updated.
* Improved compilation on uncommon platforms.
* More consistent option naming.
* Scanimage no longer writes image to tty.
* Modern translation infrastructure.
* Improved saned network daemon.
* Internal SCSI, USB, threading, TCP & UDP code updates.
* Updated HAL and udev support.
* New sanei_magic image processing library.
* Documentation updates.
* Bugfixes.