Update the doc indices to reflect the use of decorators

docs/app_index.html

@@ -208,15 +208,15 @@
         <div class='highlight'><pre>|- <a class="source" href="app/controllers/webfinger_controller.html">webfinger_controller.rb</a></pre></div>
       </td>
     </tr>
-    <tr id='section-helpers'>
+    <tr id='section-decorators'>
       <td class=docs>
         <div class="pilwrap">
-          <a class="pilcrow" href="#section-helpers">&#182;</a>
+          <a class="pilcrow" href="#section-decorators">&#182;</a>
         </div>
-        <p>The <code>helpers</code> directory only has one file, which only has one method, in it right now. Helpers have gone out of style of late.</p>
+        <p>The <code>decorators</code> directory holds View Model objects that use the <a href="https://github.com/jcasimir/draper">draper gem</a>. They help us to generate some of the HTML in an object-oriented way, rather than the more  procedural helper functions do. There's a great <a href="http://railscasts.com/episodes/286-draper">RailsCast</a> on this subject.</p>
       </td>
       <td class=code>
-        <div class='highlight'><pre>helpers/</pre></div>
+        <div class='highlight'><pre>decorators/</pre></div>
       </td>
     </tr>
     <tr id='section-models'>

docs/test_index.html

@@ -87,6 +87,17 @@
         <div class='highlight'><pre>data/</pre></div>
       </td>
     </tr>
+    <tr id='section-test-decorators'>
+      <td class=docs>
+        <div class="pilwrap">
+          <a class="pilcrow" href="#section-test-decorators">&#182;</a>
+        </div>
+        <p>This directory contains the tests for the decorator objects. These are Model View objects that make use of the <a href="https://github.com/jcasimir/draper">draper gem</a> and generate some of the HTML.</p>
+      </td>
+      <td class=code>
+        <div class='highlight'><pre>data/</pre></div>
+      </td>
+    </tr>
     <tr id='section-test-fabricators'>
       <td class=docs>
         <div class="pilwrap">