pkg/dartdoc: moving files around, fix library names

pkg/docgen/lib/src/models.dart

Index: pkg/docgen/lib/src/models.dart
diff --git a/pkg/docgen/lib/src/models.dart b/pkg/docgen/lib/src/models.dart
index 5806fb1e374be30bf26152d73ec8b9e4c17dbd79..8abec4032e9ba1841efd6a9377e1875d351b6dd3 100644
--- a/pkg/docgen/lib/src/models.dart
+++ b/pkg/docgen/lib/src/models.dart
@@ -1,3 +1,7 @@
+// 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.
+
 library docgen.models;
 
 import '../../../../sdk/lib/_internal/compiler/implementation/mirrors/source_mirrors.dart';