Support all kinds of httpd directories.

we can now arbitrarily configure <Location>, <Directory> and <Files>
This fixes #301.
Add wsgi_daemon_process_options parameter to vhost

 WSGIDaemonProcess can be supplied multiple options. This commit adds
 an wsgi_daemon_process_options parameter that can accept the options.
Merge remote-tracking branch 'blkperl/fix_WSGIDaemonProcess'
Merge remote-tracking branch 'igalic/directories'