Get dartdoc in the SDK and working correctly.

utils/apidoc/apidoc.dart

-// 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.
 
 /**
  * Generates the complete set of corelib reference documentation.
  */
 #library('apidoc');
 
 #import('dart:json');
 #import('html_diff.dart');
 #import('../../frog/lang.dart');
 #import('../../frog/file_system_vm.dart');
 #import('../../frog/file_system.dart');
-#import('../dartdoc/dartdoc.dart', prefix: 'doc');
+#import('../../lib/dartdoc/dartdoc.dart', prefix: 'doc');
 
 HtmlDiff _diff;
 
 final GET_PREFIX = 'get:';
 
 void main() {
   var files = new VMFileSystem();
   parseOptions('../../frog', ['', '', '--libdir=../../frog/lib'], files);
   initializeWorld(files);
 
@@ skipping 357 matching lines @@
       return
           '''
           <p class="correspond">This corresponds to $domTypesText in the
           ${a("dom.html", "dart:dom")} library.</p>
           ''';
     }
 
     return '';
   }
 }