Renaming dart:html library from 'html' to 'dart.html'

tools/dom/templates/html/impl/impl_SVGElement.darttemplate

 // 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.
 
-part of svg;
+part of $LIBRARYNAME;
 
 class _AttributeClassSet extends CssClassSet {
   final Element _element;
 
   _AttributeClassSet(this._element);
 
   Set<String> readClasses() {
     var classname = _element.attributes['class'];
 
     Set<String> s = new Set<String>();
@@ skipping 90 matching lines @@
     throw new UnsupportedError("Cannot get dom_children on SVG.");
   }
 
   bool get isContentEditable => false;
   void click() {
     throw new UnsupportedError("Cannot invoke click SVG.");
   }
 
 $!MEMBERS
 }