We need Fedora packages for:
- WebDAV support:
  http://pear.php.net/package/HTTP_WebDAV_Server (cf. openSUSE and Mageia)
- RDF plugins (admssw, doaprdf, extsubproj, foafprofiles):
  https://github.com/semsol/arc2
  http://graphite.ecs.soton.ac.uk/

Additionally we need EPEL packages for:
- php-htmlpurifier
