A variety of cleanups to bring our samples up-to-date.

samples/webcomponents/contactifier/contactifier.css

Index: samples/webcomponents/contactifier/contactifier.css
===================================================================
--- samples/webcomponents/contactifier/contactifier.css	(revision 12654)
+++ samples/webcomponents/contactifier/contactifier.css	(working copy)
@@ -1,41 +0,0 @@
-/* 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. */
-
-body {
-  background-color: #CC8B00;
-  font-family: 'Helvetica', sans-serif;
-  font-size: 16px;
-  font-weight: normal;
-  line-height: 1.2em;
-  margin: 15px;
-}
-
-h1 {
-  color: #FFD373;
-}
-
-h3 {
-  color: #FFD373;
-}
-
-#header {
-  float: center;
-  width: 60%;
-  position: relative;
-  margin: auto;
-  text-align: center;
-  top: 100px;
-  border: 4px solid #FFD373;
-}
-
-#contactsWidget {
-  width: 60%;
-  float: center;
-  margin: auto;
-  border: 4px solid #FFD373;
-  position: relative;
-  top: 150px;
-  color: #FFD373;
-  padding: 5px;
-}