Get rid of all the library tags.

lib/src/log.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.
 
 /// Message logging.
-library pub.log;
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
 import 'package:args/command_runner.dart';
 import 'package:path/path.dart' as p;
 import 'package:source_span/source_span.dart';
 import 'package:stack_trace/stack_trace.dart';
 
 import 'exceptions.dart';
@@ skipping 617 matching lines @@
       message(_firstMessage);
     } else {
       message(_template.replaceAll("##", _count.toString()));
     }
   }
 
   void _initTimer() {
     _timer = new Timer(_window, end);
   }
 }