Rename fletch -> dartino

tests/unsorted/immutability_test.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.
 
-import 'dart:fletch';
+import 'dart:dartino';
 
 import 'package:expect/expect.dart';
 
 // This class is missing: final fields and const constructor.
 class Fisk {
   int age;
   Fisk(this.age);
 }
 
 // This class is missing: const constructor.
@@ skipping 55 matching lines @@
   testMutable(new Node(nonConstConstructorObj, leaf));
   testMutable(new Node(new Node(leaf, nonConstConstructorObj), leaf));
   int y;
   testMutable(() { y = 4; });
 
   // TODO(kustermann): Runtime types are not working ATM.
   // Expect.isFalse(isImmutable(bool));
   // Expect.isFalse(isImmutable(String));
   // Expect.isFalse(isImmutable(Hest));
 
-  // TODO(kustermann/fletchc-experts): Allow self recursive closures.
+  // TODO(kustermann/dartino_compiler-experts): Allow self recursive closures.
   // [The recursive reference causes a storeField instruction to be
   //  emitted which makes it mutable ATM.]
   void recurse(x) { if (x > 0) { return recurse(x - 1); } }
   Expect.isFalse(isImmutable(recurse));
 }
 
 testImmutable(obj) {
   Expect.isTrue(isImmutable(obj));
 }
 
 testMutable(obj) {
   Expect.isFalse(isImmutable(obj));
 }