Log Message:
Update to 1.0.23

* Update MASTER_SITES to MASTER_SITE_LOCAL

Changelog:
New with 1.0.23, released 2012-08-19:

* New backends: kvs40xx (Panasonic KV-S40xx),
  kodakaio (Kodak AiO ESP and Hero)
* Significant enhancements to several backends.
* 30 new scanner models supported.
* V4L support improvements.
* Improvements for builds on multiple platforms.
* Improved udev rules.
* Updated software deskew algorithm.
* Documentation updates.
* Bugfixes.