Support SVGElement#elements, #innerHTML, and #outerHTML. Also add a .svg constructor.

client/html/release/html.dart

 #library('html');
 
 #import('dart:dom', prefix:'dom');
 #import('dart:htmlimpl');
 // Copyright (c) 2011, 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.
 
 // DO NOT EDIT
 // Auto-generated Dart HTML library.
@@ skipping 12733 matching lines @@
 
 interface SVGDocument extends Document {
 }
 // Copyright (c) 2011, 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.
 
 interface SVGElement extends Element factory SVGElementWrappingImplementation {
 
   SVGElement.tag(String tag);
+  SVGElement.svg(String svg);
 
   String get id();
 
   void set id(String value);
 
   SVGSVGElement get ownerSVGElement();
 
   SVGElement get viewportElement();
 
   String get xmlbase();
@@ skipping 720 matching lines @@
   EventListenerList get abort();
   EventListenerList get error();
   EventListenerList get load();
   EventListenerList get loadStart();
   EventListenerList get progress();
 }
 
 interface XMLHttpRequestUpload extends EventTarget {
   XMLHttpRequestUploadEvents get on();
 }