[webconfig] cleanly handles ``fckeditor_installed`` when no uiprops
The previous version of the code relied on a default value with a dummy
``FCKEDITOR_PATH`` entry. The new code check if uiprops is initialized or not.
# -*- 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 views/forms/actions/components for web ui"""