[web/css] move jquery.treeview.css override to a separate file
Patched embedded code copies are a maintenance disaster (even more so
than plain embedded code copies). Let's not do that.
# -*- 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 entity's classes"""