Update project authors statements to Dartino

src/vm/natives_windows.cc

-// Copyright (c) 2016, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2016, 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.
 
 #if defined(FLETCH_TARGET_OS_WIN)
 
 #include "src/vm/natives.h"
 
 #include <direct.h>
 
 #include "src/shared/platform.h"
@@ skipping 13 matching lines @@
   }
   Object* result = process->NewStringFromAscii(List<const char>(path, length));
   free(buffer);
   return result;
 }
 END_NATIVE()
 
 }  // namespace fletch
 
 #endif  // defined FLETCH_TARGET_OS_WIN