Update project authors statements to Dartino

tests/unsorted/13_test.dart

-// Copyright (c) 2014, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2014, 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.
 
 import 'package:expect/expect.dart';
 
 class B {
   const B();
 }
 
 class A {
   final a = "hej";
   final b = const B();
   final x;
   const A(this.x);
 }
 
 foo() => "string";
 bar() => "string";
 
 main() {
   const x = "x";
   Expect.isTrue(identical(x, x));
   Expect.isTrue(identical(const A(x), const A(x)));
   Expect.isFalse(identical(const A("x"), const A("y")));
   Expect.isTrue(identical(const A(1).a, const A(1).a));
   Expect.isTrue(identical(const A("x").b, const A("x").b));
   Expect.isTrue(identical(const A("x").x, const A("x").x));
   Expect.isTrue(identical(foo(), bar()));
 }