Update project authors statements to Dartino

src/vm/thread_pool.h

-// Copyright (c) 2014, the Fletch project authors. Please see the AUTHORS file
+// Copyright (c) 2014, 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.
 
 #ifndef SRC_VM_THREAD_POOL_H_
 #define SRC_VM_THREAD_POOL_H_
 
 #include "src/shared/atomic.h"
 #include "src/shared/platform.h"
 
 namespace fletch {
@@ skipping 28 matching lines @@
   ThreadInfo* thread_info_;
   bool started_;
 
   static void* RunThread(void* arg);
   void ThreadDone();
 };
 
 }  // namespace fletch
 
 #endif  // SRC_VM_THREAD_POOL_H_