Update project authors statements to Dartino

tests/servicec/input_files/multiple_definitions_5.idl

-// 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 file.
 
 // !! Test currently fails.
 service Foo {
 }
 
 struct Bar {
   int32 x;
   union {
     int32 x;  // multipleDefinitions
     int32 y;
   }
 }