Update project authors statements to Dartino

src/shared/platform_windows.cc

-// 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.
 
 #if defined(FLETCH_TARGET_OS_WIN)
 
 #include "src/shared/platform.h"  // NOLINT
 
 #include <winsock2.h>
 #include <stdlib.h>
 #include <malloc.h>
@@ skipping 255 matching lines @@
 }
 
 bool VirtualMemory::Uncommit(uword address, int size) {
   UNIMPLEMENTED();
   return false;
 }
 
 }  // namespace fletch
 
 #endif  // defined(FLETCH_TARGET_OS_WIN)