Rename fletch -> dartino

src/vm/preempter.h

 // 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.
 
 #ifndef SRC_VM_PREEMPTER_H_
 #define SRC_VM_PREEMPTER_H_
 
 #include "src/shared/atomic.h"
 
 #include "src/vm/thread.h"
 #include "src/vm/scheduler.h"
 
-namespace fletch {
+namespace dartino {
 
 class Preempter {
  public:
   enum State {
     kAllocated,
     kInitialized,
     kFinishing,
     kFinished,
   };
 
@@ skipping 14 matching lines @@
   static ThreadIdentifier preempter_thread_;
 
   Monitor* preempt_monitor_;
   Atomic<State> state_;
   Scheduler* scheduler_;
 
   uint64 GetNextPreemptTime();
 };
 
 
-}  // namespace fletch
+}  // namespace dartino
 
 #endif  // SRC_VM_PREEMPTER_H_