Rename fletch -> dartino

tests/unsorted/rpc_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';
 import 'package:immutable/immutable.dart';
 
 const List API = const [
   const RpcMethod('foo', arity: 0),
   const RpcMethod('bar', arity: 0),
   const RpcMethod('baz', arity: 1),
   const RpcMethod('biz', arity: 1),
 ];
@@ skipping 170 matching lines @@
     Channel replyTo = new Channel();
     command[1] = new Port(replyTo);
     _port.send(new LinkedList.fromList(command));
     LinkedList reply = replyTo.receive();
     var tag = reply.head;
     var result = reply.tail.head;
     if (tag == 1) throw result;
     return result;
   }
 }