Remove .html extension from links

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

 <h1>MVC Architecture</h1>
 
 
 <p>
 As modern browsers become more powerful with rich features,
 building full-blown web applications in JavaScript is not only feasible,
 but increasingly popular.
 Based on
 <a href="http://httparchive.org/trends.php?s=intersection&minlabel=Jan+20+2011&maxlabel=Jan+15+2012">trends</a>
 on <a href="http://httparchive.org/">HTTP Archive</a>,
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 <p>
 In the todo list web app,
 when the user checks an item as completed,
 the click is forwarded to the controller.
 The controller modifies the model to mark item as completed.
 If the data needs to be persistent, it also makes an async save to the server.
 In rich client-side web app development such as Chrome Apps,
 keeping the data persistent in local storage is also crucial.
 In this case, the controller also handles saving the data
-to the client-side storage such as <a href="app_storage.html">FileSystem API</a>.
+to the client-side storage such as <a href="app_storage">FileSystem API</a>.
 </p>
 
 <p>
 There are a few variations of the MVC design pattern
 such as MVP (Model&ndash;View&ndash;Presenter)
 and MVVP(Model&ndash;View&ndash;ViewModel).
 Even with the so called MVC design pattern itself,
 there is some variation between the traditional MVC pattern
 vs the modern interpretation in various programming languages.
 For example, some MVC&ndash;based frameworks will have
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 <p>
 An adapter, or a proxy, receives the requests from a store and
 translates them into appropriate actions to take
 against your persistent data layer
 (such as JSON API).
 This is interesting in the modern web app design
 because you often interact with more than one persistent data layer
 such as a remote server and browser’s local storage.
 Chrome Apps provides both
-<a href="storage.html">Chrome Storage API</a> and
-<a href="fileSystem.html">HTML 5 fileSystem API</a> for client side storage.
+<a href="storage">Chrome Storage API</a> and
+<a href="fileSystem">HTML 5 fileSystem API</a> for client side storage.
 </p>
 
 <p>Pros:</p>
 
 <ul>
         <li>Simple to use and understand.</li>
 </ul>
 
 <p>
 Cons:
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 </p>
 
 <ul>
         <li>Each ‘Page/Screen’ of the app now requires a lot of boilerplate to write or update: Model, View, Controller, AppController.</li>
 </ul>
 
 <h3 id="recommended">Recommended MVC frameworks</h3>
 
 <p>
 MVC is crucial to designing Chrome Apps.
-We recommend the following <a href="contentSecurityPolicy.html">CSP&ndash;Compliant</a> MVC frameworks
+We recommend the following <a href="contentSecurityPolicy">CSP&ndash;Compliant</a> MVC frameworks
 for writing secure and scalable Chrome Apps:
 </p>
 
 <ul>
   <li><a href="http://angularjs.org/">AngularJS</a>
-  (<a href="https://github.com/GoogleChrome/textdrive-app">Text Drive Reference App</a> and <a href="angular_framework.html">Build Apps with AngularJS tutorial</a>)</li>
+  (<a href="https://github.com/GoogleChrome/textdrive-app">Text Drive Reference App</a> and <a href="angular_framework">Build Apps with AngularJS tutorial</a>)</li>
   <li><a href="http://www.kendoui.com/">Kendo UI</a>
   (<a href="https://github.com/GoogleChrome/kendo-photo-booth-app">Photo Booth Reference App</a>)</li>
   <li><a href="http://www.sencha.com/">Sencha</a>
-  (<a href="https://github.com/GoogleChrome/sencha-video-player-app">Video Player Reference App</a> and <a href="sencha_framework.html">Build Apps with Sencha Ext JS tutorial</a>)</li>
+  (<a href="https://github.com/GoogleChrome/sencha-video-player-app">Video Player Reference App</a> and <a href="sencha_framework">Build Apps with Sencha Ext JS tutorial</a>)</li>
 </ul>
 
 <h2 id="resources">Useful resources</h2>
 
 <h3 id="online">Online</h3>
 
 <ul>
         <li><a href="http://www.html5rocks.com/">HTML5Rocks.com</a></li>
         <li><a href="http://addyosmani.com/resources/essentialjsdesignpatterns/book/">Learning JavaScript Design Patterns</a>
                 (by Addy Osmani)</li>
         <li><a href="http://addyosmani.github.com/todomvc/">TodoMVC</a></li>
 </ul>
 
 <h3 id="books">Books</h3>
 
 <ul>
         <li><a href="http://www.amazon.com/JavaScript-Web-Applications-Alex-MacCaw/dp/144930351X">JavaScript Web Applications</a>
                 (By Alex MacCaw)</li>
         <li><a href="http://www.amazon.com/JavaScript-Patterns-Stoyan-Stefanov/dp/0596806752/ref=pd_sim_b_2">JavaScript Patterns</a>
                 (By Stoyan Stefonov)</li>
         <li><a href="http://www.amazon.com/Maintainable-JavaScript-Nicholas-C-Zakas/dp/1449327680">Maintainable JavaScript</a>
                 (By Nicolas Z. Zakas)</li>
 </ul>
 
 <p class="backtotop"><a href="#top">Back to top</a></p>