Update project authors statements to Dartino

pkg/fletchc/lib/src/fletch_constants.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 fletchc.fletch_constants;
 
 import 'package:compiler/src/constants/values.dart' show
     ConstantValue;
 
 import 'package:compiler/src/core_types.dart' show
     CoreTypes;
@@ skipping 60 matching lines @@
   String toStructuredString() {
     return 'FletchClassInstanceConstant($classId)';
   }
 
   bool operator==(other) {
     return other is FletchClassInstanceConstant && other.classId == classId;
   }
 
   int get hashCode => classId;
 }