Get rid of all the library tags.

lib/src/body.dart

 // Copyright (c) 2015, 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.body;
-
 import 'dart:async';
 import 'dart:convert';
 
 /// The body of a request or response.
 ///
 /// This tracks whether the body has been read. It's separate from [Message]
 /// because the message may be changed with [Message.change], but each instance
 /// should share a notion of whether the body was read.
 class Body {
   /// The contents of the message body.
@@ skipping 34 matching lines @@
   Stream<List<int>> read() {
     if (_stream == null) {
       throw new StateError("The 'read' method can only be called once on a "
           "shelf.Request/shelf.Response object.");
     }
     var stream = _stream;
     _stream = null;
     return stream;
   }
 }