Rename fletch -> dartino

samples/github/lib/src/github_mock.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 file.
 
-import 'dart:fletch';
-import 'dart:fletch.os' as os;
+import 'dart:dartino';
+import 'dart:dartino.os' as os;
 import 'dart:typed_data';
 
 import 'package:file/file.dart';
 import 'package:http/http.dart';
 import 'package:socket/socket.dart';
 
 abstract class _Connection {
   final String host;
   final int port;
   final bool open;
@@ skipping 136 matching lines @@
     }
 
     if (verbose) {
       print('Response $code on request for $resource');
     }
 
     socket.write(response);
     socket.close();
   }
 }