code: def is_super_admin(self, req):
          
          return req.headers.get('x-auth-admin-user') == '.super_admin' and \
              self.super_admin_key and \
              req.headers.get('x-auth-admin-key') == self.super_admin_key
docs: Returns True if the admin specified in the request represents the
          .super_admin.
  
          :param req: The swob.Request to check.
          :param returns: True if .super_admin.