Partially fixes #4864. Signatures will now be better detected is some cases.
Partially fixes #4864. Signatures will now be better detected is some cases.

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