Renaming unittest library names to all have package prefix names.

pkg/unittest/lib/compact_vm_config.dart

 // Copyright (c) 2013, 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.
 
 /**
  * A test configuration that generates a compact 1-line progress bar. The bar is
  * updated in-place before and after each test is executed. If all test pass,
  * you should only see a couple lines in the terminal. If a test fails, the
  * failure is shown and the progress bar continues to be updated below it.
  */
-library compact_vm_config;
+library unittest.compact_vm_config;
 
 import 'dart:async';
 import 'dart:io';
 import 'dart:isolate';
 
 import 'unittest.dart';
 import 'src/utils.dart';
 import 'vm_config.dart';
 
 const String _GREEN = '\u001b[32m';
@@ skipping 169 matching lines @@
   // If the test is running on the Dart buildbots, we don't want to use this
   // config since it's output may not be what the bots expect.
   if (Platform.environment['LOGNAME'] == 'chrome-bot') {
     return;
   }
 
   unittestConfiguration = _singleton;
 }
 
 final _singleton = new CompactVMConfiguration();