Order periods by start date by default
Order periods by start date by default

pmattmann/ecamp3,pmattmann/ecamp3,usu/ecamp3,ecamp/ecamp3,ecamp/ecamp3,usu/ecamp3,pmattmann/ecamp3,pmattmann/ecamp3,ecamp/ecamp3,usu/ecamp3,usu/ecamp3,ecamp/ecamp3