improve ldap handling. if we don't have ldap_settings, we don't want ldap
improve ldap handling. if we don't have ldap_settings, we don't want ldap

AdrianGaudebert/elmo,mozilla/elmo,Pike/elmo,Pike/elmo,AdrianGaudebert/elmo,AdrianGaudebert/elmo,Pike/elmo,Pike/elmo,mozilla/elmo,mozilla/elmo,mozilla/elmo