Rename fletch -> dartino

src/vm/priority_heap.h

 // 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.
 
 #ifndef SRC_VM_PRIORITY_HEAP_H_
 #define SRC_VM_PRIORITY_HEAP_H_
 
 #include <stdlib.h>
 
 #include "src/shared/assert.h"
 #include "src/vm/hash_map.h"
 
-namespace fletch {
+namespace dartino {
 
 template <typename P, typename V>
 class PriorityHeapWithValueIndex {
  public:
   static const int kMinimumSize = 16;
 
   typedef struct {
     P priority;
     V value;
   } Entry;
@@ skipping 176 matching lines @@
     backing_ = new_backing;
     backing_size_ = new_backing_size;
   }
 
   Entry* backing_;
   int backing_size_;
   int size_;
   HashMap<V, int> hashmap_;
 };
 
-}  // namespace fletch
+}  // namespace dartino
 
 #endif  // SRC_VM_PRIORITY_HEAP_H_