ENH: Updated tutorial Alltest script

tutorials/Alltest

@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
+#   \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
 #    \\/     M anipulation  |
 #------------------------------------------------------------------------------
 # License
@@ -74,7 +74,7 @@ do
         usage "unknown option: '$*'"
         ;;
     *)
-        break
+        usage "unknown option/argument: '$*'"
         ;;
     esac
     shift