This library contains Exifer code which is originally licensed under GPL-2.0
The original author Jake Olefsky of Exif/Parser/* gave explicit approval that
the code can be included into the Horde code base.
Class for dealing with Exif data using a bundled PHP library based on the
Exifer code written by and Copyright 2003 Jake Olefsky

See: http://www.offsky.com/software/exif/index.php
