Rename fletch -> dartino

tests/pkg/http/http_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 'dart:typed_data';
 
 import 'package:expect/expect.dart';
 import 'package:http/http.dart';
 import 'package:socket/socket.dart';
 
 void main() {
   testGet();
 }
 
@@ skipping 18 matching lines @@
   HttpRequest request = new HttpRequest("/");
   request.headers["Host"] = "myhost";
 
   HttpResponse response = connection.send(request);
   Expect.equals(200, response.statusCode);
   Expect.equals("OK", response.reasonPhrase);
   Expect.equals("heya", new String.fromCharCodes(response.body));
 
   socket.close();
 }