[dev] Horde conf.xml patch

[Chuck Hagenbuch]

Quoting Michael Rubinsky <mike at theupstairsroom.com>:

> Small patch to conf.xml to allow configuration of the new IMSP  
> Preference driver...
> Also, I'm not sure if the conf.php.dist file is still being updated, but
> small patch to that as well to document availability of IMSP Preference
> driver...

Committed, thanks!

-chuck

--
"Regard my poor demoralized mule!" - Juan Valdez