Update project authors statements to Dartino

tests/fletch_tests/self_tests.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.
 
 /// Tests of fletch_test_suite.dart.
 library fletch_tests.self_tests;
 
 import 'dart:async' show
     Completer,
     Future;
 
@@ skipping 35 matching lines @@
   testMessage(const TestFailed("arg1", "arg2", "arg3"));
   testMessage(const TestPassed("arg1"));
   testMessage(const Info("message"));
   testMessage(const TestStdoutLine("name", "line"));
 }
 
 /// Test print method.
 Future testPrint() async {
   suite.print("Debug print from fletch_tests works.");
 }