Rename fletch -> dartino

tests/version_tests/version_tests.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:async';
 import 'dart:io';
 
 import 'package:expect/expect.dart';
 
 Future<Null> main() async {
   String buildDir = const String.fromEnvironment('test.dart.build-dir');
   bool asanBuild = const bool.fromEnvironment('test.dart.build-asan');
 
   ProcessResult result;
 
   // Get the current version.
   result = await Process.run(
       'python', ['$buildDir/../../tools/current_version.py'], runInShell: true);
   Expect.equals(0, result.exitCode);
   String version = result.stdout;
 
-  // Check the version of the fletch CLI.
-  result = await Process.run('$buildDir/fletch', ['--version']);
+  // Check the version of the dartino CLI.
+  result = await Process.run('$buildDir/dartino', ['--version']);
   Expect.equals(0, result.exitCode);
   Expect.equals(version, result.stdout);
 
-  // Check the version of the fletch-vm
-  result = await Process.run('$buildDir/fletch-vm', ['--version']);
+  // Check the version of the dartino-vm
+  result = await Process.run('$buildDir/dartino-vm', ['--version']);
   Expect.equals(0, result.exitCode);
   Expect.equals(version, result.stdout);
 }