Add sample configuration files for mod_wsgi

These files really only work for a devstack setup,
but the demonstrate what one would need to do in
a real deployment behind mod_wsgi.

Change-Id: If60ce2aa0b89c055ccc0411aece28042b14ab633
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Merge "Add sample configuration files for mod_wsgi"