Even friendlier dates in conversation list: Closes #7118
Even friendlier dates in conversation list: Closes #7118

This is a follow-up to #7051.

tshikaboom/geary,githubnemo/geary,githubnemo/geary,mjog/geary,aatishnn/geary,emersion/geary,aatishnn/geary,rschroll/geary,jimbonator/geary,robol/geary,robol/geary,glebihan/geary,abn/geary,aatishnn/geary,emersion/geary,jimbonator/geary,martinra/geary,mjog/geary,glebihan/geary,mjog/geary,glebihan/geary,AtticHacker/geary,robol/geary,jimbonator/geary,kyoushuu/geary,githubnemo/geary,kyoushuu/geary,AtticHacker/geary,martinra/geary,rschroll/geary,tshikaboom/geary,MohamedIM/geary-unofficial,emersion/geary,geekvigilante/geary,tshikaboom/geary,kpiwko/geary,mpdeimos/geary,martinra/geary,AtticHacker/geary