Update project authors statements to Dartino

tests/multiprogram_tests/utils.dart

-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE.md file.
 
 library multiprogram_tests.utils;
 
 import 'package:expect/expect.dart';
 
 class Point {
   final double x;
   final double y;
@@ skipping 32 matching lines @@
       point = multiply(point, rotate90);
     }
 
     Expect.equals(0.0, point.x);
     Expect.equals(0.0, point.y);
 
     if (sw.elapsedMilliseconds >= duration.inMilliseconds) break;
   }
 }