New feature : use shortest url with urlFormat path
Dev: this replace array('survey/index', 'sid' => $survey->sid, 'lang' => App()->lang->langcode) by /$sid/lang/language
Dev: same behaviour than 2.0 or 1.92 with modrewrite=1
Dev: maybe some other default rules to add : actually surveyurl + statistics_ur + optout url (maybe partially)
Dev: need more testing ? urlFormat get not changed