Get rid of all the library tags.

lib/src/barback/base_server.dart

 // 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 pub.barback.base_server;
-
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
 import 'package:barback/barback.dart';
 import 'package:shelf/shelf.dart' as shelf;
 import 'package:shelf/shelf_io.dart' as shelf_io;
 
 import '../log.dart' as log;
 import '../utils.dart';
@@ skipping 97 matching lines @@
     _resultsController.addError(error, stackTrace);
   }
 
   /// Handles an error thrown by [handleRequest].
   _handleError(error, StackTrace stackTrace) {
     _resultsController.addError(error, stackTrace);
     close();
     return new shelf.Response.internalServerError();
   }
 }