[web] Use the new '/ajax' URL path to access the AjaxController (closes #2758254)
5a81fa526b30 took care of all the JS code, this patch cleans up the
remaining python bits.
# -*- coding: utf-8 -*-
# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s schema"""