Remove .html extension from links

chrome/common/extensions/docs/templates/articles/app_codelab7_useridentification.html

 <h1 id="lab_7_user_identity">Access User's Data</h1>
 
 <p>Most modern applications are attached to the web to synchronize data. When synchronizing data, you need to identify who the user is.
-Chrome Apps come with an <a href="experimental.identity.html">identity API</a> that makes it easy to integrate either with Google accounts or with any other service that supports OAuth.</p>
+Chrome Apps come with an <a href="experimental.identity">identity API</a> that makes it easy to integrate either with Google accounts or with any other service that supports OAuth.</p>
 
 <ol>
 <li> Built in - Google Authenticiation</li>
 <li> Third Party Authentication (Twitter, Foursquare, etc.)</li>
 </ol>
 
 <p class="warning"><b>Warning:</b>
 Apps with authentication require the experimental permission in the
 <code>manifest.json</code> and, until they came out of experimental state,
 they cannot be uploaded to the Chrome Web Store.
@@ skipping 120 matching lines @@
 
 <p>Replace the following line in the code above:
 <pre data-filename="controller.js">
   var clientId = &quot;&lt;GET_YOURS_AT_https://code.google.com/apis/console&gt;&quot;;
 </pre>
 with your own project&#39;s Client ID that you got from the Google API Console.
 Should look like this:
 <pre data-filename="controller.js">
   var clientId = &quot;xxxxxxxxxxxxxx.apps.googleusercontent.com&quot;;
 </pre></p></li>
-<li><p>Now we just need a button that starts the import process. Update the <code>index.html</code> to include <code>gapi_tasks.js</code> and add a new button to call <code>importFromGTasks</code>:
+<li><p>Now we just need a button that starts the import process. Update the <code>index</code> to include <code>gapi_tasks.js</code> and add a new button to call <code>importFromGTasks</code>:

[mkearney1, 2014/04/09 19:43:29]

Keep .html in as it refers to a filename in sample.

 </p>
 
 <tabs data-group="source">
 
   <header tabindex="0" data-value="angular">Angular</header>
   <header tabindex="0" data-value="js">JavaScript</header>
 
   <content>
-    <pre data-filename="index.html">
+    <pre data-filename="index">

[mkearney1, 2014/04/09 19:43:29]

Keep .html in as it refers to a filename in sample.

 <script src="gapi_tasks.js"></script>
 ...
 <button ng-click="importFromGTasks()">import tasks from GTasks</button>
     </pre>
   </content>
   <content>
-    <pre data-filename="index.html">
+    <pre data-filename="index">
 &lt;button id="importGTasks"&gt;import tasks from GTasks&lt;/button&gt;

[mkearney1, 2014/04/09 19:43:29]

Keep .html in as it refers to a filename in sample.

 ...
 <script src="gapi_tasks.js"></script>
     </pre>
   </content>
 
 </tabs></li>
 </ol>
 
 <h3 id="results">Check the results</h3>
 
 <p>If you get stuck and want to see the app in action,
 go to <code>chrome://extensions</code>,
 load the unpacked
 <a href="https://github.com/GoogleChrome/chrome-app-codelab/tree/master/lab7_useridentification/angularjs">AngularJS app</a> or
 <a href="https://github.com/GoogleChrome/chrome-app-codelab/tree/master/lab7_useridentification/javascript">JavaScript app</a>,
 and launch the app from a new tab.</p>
 
 <h2 id="you_should_also_read">You should also read</h2>
 
-<p><a href="app_identity.html">Identify User</a> tutorial</p>
+<p><a href="app_identity">Identify User</a> tutorial</p>
 
 <h2 id="what_39_s_next_">What's next?</h2>
 
-<p>In <a href="app_codelab8_webresources.html">7 - Access Web Resources</a>,
+<p>In <a href="app_codelab8_webresources">7 - Access Web Resources</a>,
 you will learn how to load and show images from a remote URL.</p>
 
 <p class="note"><b>Note:</b>  Up until now, the code in each lab builds upon the previous lab code sample.
 We&#39;ve decided not to include the user identification code changes in the remainder of the lab since the <code>identity API</code> is still experimental and as such it would prevent you from publishing your final code to the Chrome Web Store.</p>