pkg/shelf: removed hop, updated docs link to something useful

pkg/shelf/tool/hop_runner.dart

Index: pkg/shelf/tool/hop_runner.dart
diff --git a/pkg/shelf/tool/hop_runner.dart b/pkg/shelf/tool/hop_runner.dart
deleted file mode 100644
index 77783f94c471efe34366cf4796bdea3c27992628..0000000000000000000000000000000000000000
--- a/pkg/shelf/tool/hop_runner.dart
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) 2014, 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 shelf.hop_runner;
-
-import 'dart:async';
-import 'dart:io';
-import 'package:hop/hop.dart';
-import 'package:hop/hop_tasks.dart';
-import 'package:hop_docgen/hop_docgen.dart';
-import '../test/harness_console.dart' as test_console;
-
-void main(List<String> args) {
-  addTask('test', createUnitTestTask(test_console.main));
-
-  //
-  // Analyzer
-  //
-  addTask('analyze_libs', createAnalyzerTask(_getLibs));
-
-  addTask('docs', createDocGenTask('../compiled_dartdoc_viewer'));
-
-  runHop(args);
-}
-
-Future<List<String>> _getLibs() {
-  return new Directory('lib').list()
-      .where((FileSystemEntity fse) => fse is File)
-      .map((File file) => file.path)
-      .toList();
-}