Restore mnemonics for Archive, Trash, Delete: Bug #731171
Restore mnemonics for Archive, Trash, Delete: Bug #731171

Also adds translator notes for Archive and Trash (that they are
actions, not the folders themselves): Bug #731172

tshikaboom/geary,emersion/geary,martinra/geary,tshikaboom/geary,AtticHacker/geary,glebihan/geary,mjog/geary,glebihan/geary,jimbonator/geary,githubnemo/geary,AtticHacker/geary,githubnemo/geary,aatishnn/geary,glebihan/geary,geekvigilante/geary,MohamedIM/geary-unofficial,robol/geary,emersion/geary,emersion/geary,jimbonator/geary,mjog/geary,tshikaboom/geary,martinra/geary,AtticHacker/geary,aatishnn/geary,martinra/geary,robol/geary,githubnemo/geary,jimbonator/geary,robol/geary,mjog/geary,aatishnn/geary