Issue #2791405 by alexpott, Thew, flocondetoile, eyilmaz, bsnodgrass, cilefen,...

Issue #2791405 by alexpott, Thew, flocondetoile, eyilmaz, bsnodgrass, cilefen, aralnoth, xjm, mikeohara, jaybee@baelemans.eu, szeidler, Gábor Hojtsy, catch, gagarine, vaplas, claudiu.cristea, ckaotik, idebr: When installing a site in a language besides English, the site name is not saved and reverts to "Drupal"