$stderr.puts "== Error: Could not find a Middleman project config, perhaps you are in the wrong folder?"
return
end
# If the old directories exists, use it, but issue warning
if File.exists?("views") || File.exists?("public")
$stderr.puts "== Error: The views and public folders are have been combined. Create a new 'source' folder, add the contents of views and public to it and then remove the empty views and public folders."