changed: updated changelog,
changed: updated changelog,

closes https://github.com/kobotoolbox/enketo-express/issues/523

kobotoolbox/enketo-express,enketo/enketo-express,onaio/enketo-express,OpenClinica/enketo-express-oc,onaio/enketo-express,enketo/enketo-express,OpenClinica/enketo-express-oc,onaio/enketo-express,OpenClinica/enketo-express-oc,kobotoolbox/enketo-express,enketo/enketo-express,kobotoolbox/enketo-express,kobotoolbox/enketo-express