add activate to scrollspy docs

docs/assets/js/bootstrap-scrollspy.js

@@ -92,8 +92,10 @@
           .addClass('active')
 
         if ( active.parent('.dropdown-menu') )  {
-          active.closest('li.dropdown').addClass('active')
+          active = active.closest('li.dropdown').addClass('active')
         }
+
+        active.trigger('activate')
       }
 
   }

docs/javascript.html

@@ -589,6 +589,21 @@ $('#myModal').on('hidden', function () {
              </tr>
             </tbody>
           </table>
+           <h3>Events</h3>
+          <table class="table table-bordered table-striped">
+            <thead>
+             <tr>
+               <th style="width: 150px;">Event</th>
+               <th>Description</th>
+             </tr>
+            </thead>
+            <tbody>
+             <tr>
+               <td>activate</td>
+               <td>This event fires whenever a new item becomes activated by the scrollspy.</td>
+            </tr>
+            </tbody>
+          </table>
         </div>
       </div>
     </section>

docs/templates/pages/javascript.mustache

@@ -513,6 +513,21 @@ $('#myModal').on('hidden', function () {
              </tr>
             </tbody>
           </table>
+           <h3>{{_i}}Events{{/i}}</h3>
+          <table class="table table-bordered table-striped">
+            <thead>
+             <tr>
+               <th style="width: 150px;">{{_i}}Event{{/i}}</th>
+               <th>{{_i}}Description{{/i}}</th>
+             </tr>
+            </thead>
+            <tbody>
+             <tr>
+               <td>{{_i}}activate{{/i}}</td>
+               <td>{{_i}}This event fires whenever a new item becomes activated by the scrollspy.{{/i}}</td>
+            </tr>
+            </tbody>
+          </table>
         </div>
       </div>
     </section>