[web config] fix old css compat code: we have to modify locate_resource prototype so it return (potentially hacked) file name as well. Should only impact the file cube which has to be released anyway.

# copyright %(year)s %(author)s, all rights reserved.
# contact %(author-web-site)s -- mailto:%(author-email)s
#
%(long-license)s
"""%(distname)s specific hooks and operations"""