[ansel] Patch to convert Ansel to the PHP native exif functions

[Chuck Hagenbuch]

Quoting "Heath S. Hendrickson" <heath at outerspaceconsultants.com>:

> What version of PHP is required for the entire Horde CVS tree right
> now?  I thought it was at least 4.2.0.  I'd think that a conf option
> would be better than version detection.  You need to have 4.2.0 compiled
> with exif support...  Let the admin decide instead of muddying up the
> code with version detection and the like.  That's my opinion anyway.

4.2.0+ is required. However, it's trivial to do a if
(function_exists('exif_read_data') and to use the existing code if it's not
there. No point in throwing away currently existing functionality that most
people probably won't compile in...

-chuck

--
Charles Hagenbuch, <chuck at horde.org>
"Here, I brought some cole slaw. It's made from peeeooople! Just kidding."