Update project authors statements to Dartino

src/shared/platform_linux.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_LINUX)
 
 #include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <time.h>
 
@@ skipping 17 matching lines @@
   // TODO(ajohnsen): avoid excessive calls to tzset?
   tzset();
   // Even if the offset was 24 hours it would still easily fit into 32 bits.
   // Note that Unix and Dart disagree on the sign.
   return static_cast<int>(-timezone);
 }
 
 }  // namespace fletch
 
 #endif  // defined(FLETCH_TARGET_OS_LINUX)