Add an initial "pub lish" command.

utils/tests/pub/pub_test.dart

 // Copyright (c) 2012, the Dart 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.
 
 library pub_tests;
 
 import 'dart:io';
 
 import 'test_pub.dart';
 import '../../../pkg/unittest/lib/unittest.dart';
 
 final USAGE_STRING = """
     Pub is a package manager for Dart.
 
     Usage: pub command [arguments]
 
     Global options:
     -h, --help          Prints this usage information
         --version       Prints the version of Pub
         --[no-]trace    Prints a stack trace when an error occurs
 
     Available commands:
       help      display help information for Pub
       install   install the current package's dependencies
+      lish      publish the current package to pub.dartlang.org

[Bob Nystrom, 2012/11/27 21:00:53]

As awesome as "lish" is, we should make "publish" the default command name.

[nweiz, 2012/11/27 22:07:34]

That's part of issue 6949.

       update    update the current package's dependencies to the latest versions
       version   print Pub version
 
     Use "pub help [command]" for more information about a command.
     """;
 
 final VERSION_STRING = '''
     Pub 0.0.0
     ''';
 
@@ skipping 44 matching lines @@
         error: '''
         Could not find a command named "quylthulg".
         Run "pub help" to see available commands.
         ''',
         exitCode: 64);
   });
 
   test('displays the current version', () =>
     runPub(args: ['version'], output: VERSION_STRING));
 }