Ensure wsgi module is loaded
Rephrase installation of dependencies so that one broken package (*ahem* libapache2-svn *ahem*) doesn't break everything
Improved gather_scm_stats.php script by adding more command line options (patch by Christoph Niethammer <christoph.niethammer@hlrs.de>)
Don't install libapache2-svn on Debian (only used for WebDAV)