Hiding the closed page. Doesn't need to be in main nav

Author: ckenst

_includes/nav.html

@@ -2,7 +2,7 @@
   <ul>
     <a href="/" {% if page.url == '/' %}class='active'{% endif %}>Upcoming</a>
     <a href="/past" {% if page.url == '/past/' %}class='active'{% endif %}>Past</a> 
-    <a href="/closed" {% if page.url == '/closed/' %}class='active'{% endif %}>Closed</a>
+    <!-- <a href="/closed" {% if page.url == '/closed/' %}class='active'{% endif %}>Closed</a> -->
   </ul>
 </div>
 <div class="sub-nav">