Log Message:
Update to 1.0.22:

New with 1.0.22, released 2011-02-13:

* New backends: kvs20xx (Panasonic KV-S20xx),
  magicolor (Konica-Minolta )
* Significant enhancements to several backends.
* More than 80 new scanner models supported.
* Support many more networked scanners.
* Added -A option to scanimage
* Improved build system.
* Improved USB support.
* Improved udev rules.
* Documentation updates.
* Bugfixes.