order keynotes by last name
order keynotes by last name

artardif/foss4g2017-dev,AvidGeo/foss4g2017-dev,AvidGeo/foss4g2017,AvidGeo/foss4g2017,AvidGeo/foss4g2017-dev,artardif/foss4g2017-dev,AvidGeo/foss4g2017,AvidGeo/foss4g2017-dev,artardif/foss4g2017-dev