[wsgi] Fix https detection - 'HTTPS' is not part of wsgi, it is a CGI variable. The right wsgi variable is 'wsgi.url_scheme' - Force https if url starts with '/https/' (and remove the prefix from the path. Closes #4305985

from yams.buildobjs import RelationDefinition

class ARelation(RelationDefinition):
    subject = 'CWUser'
    object = 'CWGroup'