Rename fletch -> dartino

lib/system/map.dart

 // 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.
 
-part of dart.fletch._system;
+part of dart.dartino._system;
 
 class _ConstantMap<K, V> implements Map<K, V> {
   final _keys;
   final _values;
 
   bool containsValue(Object value) => _values.contains(value);
 
   bool containsKey(Object key) => _keys.contains(key);
 
   V operator[](Object key) {
@@ skipping 50 matching lines @@
   _ConstantMapIterable(this._list);
 
   Iterator<E> get iterator => new ListIterator(_list);
 
   int get length => _list.length;
 
   bool get isEmpty => _list.isEmpty;
 
   bool get isNotEmpty => _list.isNotEmpty;
 }