Allow values of `ENKETO_URL` consistent with `dkobo` and `kpi`.
Allow values of `ENKETO_URL` consistent with `dkobo` and `kpi`.

kobotoolbox/kobocat,kobotoolbox/kobocat,kobotoolbox/kobocat,awemulya/fieldsight-kobocat,awemulya/fieldsight-kobocat,awemulya/fieldsight-kobocat,awemulya/fieldsight-kobocat,kobotoolbox/kobocat