Web UI to edit conference title

Resolves: #3

templates/conference.html

@@ -86,6 +86,21 @@
   </div>
   </div>
 
+  {% if is_admin() %}
+  <form method="POST">
+    <div>
+      <label for="title">title</label>
+      <input type="text" name="title" id="title" value="{{ item.title }}">
+    </div>
+    <div>
+      <label for="short_name">short name</label>
+      <input type="text" name="short_name" id="short_name" value="{{ item.short_name }}">
+    </div>
+
+    <button type="submit" class="btn btn-primary">Submit</button>
+  </form>
+  {% endif %}
+
   <h3>Talks</h3>
 
   <p>{{ item.events.count() }} talks</p>