removing links to github in favor of downloading a zipfile from github

src/site/docs/tutorials/get-started/index.markdown

 ---
 layout: default
 title: "Get Started"
 description: "Get Dart and run two Dart applications"
 has-permalinks: true
 tutorial:
   id: get-started
 js:
 - url: /js/os-switcher.js
   defer: true
@@ skipping 13 matching lines @@
 * You can use Dart for web apps and command-line apps.
 * Run Dart web apps directly in Dartium.
 * Compile Dart apps to JavaScript for other browsers.
 * All Dart apps have a main() function.
 * Dart supports top-level functions.
 
 {% endcapture %}
 
 {% capture sample_links %}
 
-<p>
-Get the source code for the samples featured in this tutorial:</p>
+This tutorial features two examples
+provided by Dart Editor:
 
-<ul>
-  <li>
-    <a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/get-started/helloworld"
-       target="_blank">helloworld</a>
-  </li>
-  <li>
-    <a href="https://github.com/dart-lang/dart-tutorials-samples/tree/master/web/get-started/clickme"
-       target="_blank">clickme</a>
-  </li>
-</ul>
+* helloworld
+* clickme
 
 {% endcapture %}
 
 {% capture content %}
 
 <div class="tute-target-title">
 <h1>{{page.title}}</h1>
 <h3>Get Dart. Run two apps.</h3>
 </div>
 
@@ skipping 539 matching lines @@
   <li>
     The <a href="/docs/">Programmer's Guide</a>
     points you to docs, articles,
     and other resources to help you as you create,
     test, and deploy Dart code.
   </li>
 </ul>
 
 ##What next?
 
-The next tutorial, [Connect Dart & HTML](/docs/tutorials/connect-dart-html/),
-steps you through writing a tiny web app from scratch.
+* Get the code for all of the Dart tutorials samples.
+  <a href="https://github.com/dart-lang/dart-tutorials-samples/archive/master.zip">
+  Download the ZIP file</a>, unzip it,
+  and open `dart-tutorials-samples` in Dart Editor.
+
+* Go to the next tutorial, [Connect Dart & HTML](/docs/tutorials/connect-dart-html/),
+which steps you through writing a tiny web app from scratch.
 
 {% endcapture %}
 
 {% include tutorial.html %}