:art: Show a nice error if linter binary doesn't exist
:art: Show a nice error if linter binary doesn't exist

shawninder/linter,UltCombo/linter,mdgriffith/linter,JohnMurga/linter,levity/linter,elkeis/linter,AtomLinter/Linter,kaeluka/linter,AsaAyers/linter,Arcanemagus/linter,atom-community/linter,blakeembrey/linter,iam4x/linter,steelbrain/linter,e-jigsaw/Linter,DanPurdy/linter,josa42/Linter