Minor changes to the dart:io library files.

runtime/bin/process.dart

Index: runtime/bin/process.dart
diff --git a/runtime/bin/process.dart b/runtime/bin/process.dart
index 038127def2424c6d97836a55c03f0831cb51eb6d..e9aa65c97a46c36cd7529cf93915d2aeeb1dc06c 100644
--- a/runtime/bin/process.dart
+++ b/runtime/bin/process.dart
@@ -1,7 +1,11 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
+/**
+ * [Process] objects are used to start new processes and interact with
+ * them.
+ */
 interface Process default _Process {
   /**
    * Creates a new process object and starts a process running the