[editform] consistent [do]reledit between attributes and relations: check if rdef is hidden in main section of uicfg.afs for both attributes and relations, and in the reledit view, not in doreledit

# 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"""