fix(stats): Do not show top reviewer if score < 1
fix(stats): Do not show top reviewer if score < 1

CodeursEnSeine/cfp-2015,dadoonet/cfp-devoxx,CodeursEnSeine/cfp-2015,CodeursEnSeine/cfp-2015,rasata/cfp-devoxx,CodeursEnSeine/cfp-2015,dadoonet/cfp-devoxx,rasata/cfp-devoxx,rasata/cfp-devoxx,dadoonet/cfp-devoxx