Update recommendations for HTTP server packages

sdk/lib/io/http.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.
 
 part of dart.io;
 
 /**
  * HTTP status codes.
  */
 abstract class HttpStatus {
@@ skipping 131 matching lines @@
  *           });
  *         });
  *     }
  *
  * ## Other resources
  *
  * * HttpServer is a Stream. Refer to the [Stream] class for information
  * about the streaming qualities of an HttpServer.
  * Pausing the subscription of the stream, pauses at the OS level.
  *
- * * The [http_server](https://pub.dartlang.org/packages/http_server)
+ * * The [self](https://pub.dartlang.org/packages/shelf)

[dgrove, 2016/10/06 04:14:09]

shelf

[kevmoo, 2016/10/06 04:16:26]

Done.

  * package on pub.dartlang.org contains a set of high-level classes that,
  * together with this class, makes it easy to provide content through HTTP
  * servers.
  */
 abstract class HttpServer implements Stream<HttpRequest> {
   /**
    * Get and set the default value of the `Server` header for all responses
    * generated by this [HttpServer].
    *
    * If [serverHeader] is `null`, no `Server` header will be added to each
@@ skipping 1861 matching lines @@
 class RedirectException implements HttpException {
   final String message;
   final List<RedirectInfo> redirects;
 
   const RedirectException(this.message, this.redirects);
 
   String toString() => "RedirectException: $message";
 
   Uri get uri => redirects.last.location;
 }