Resolve "Display individual price at registration with voucher"

Closes #45 (closed)

aleksis/apps/paweljong/templates/paweljong/event/detail.html

@@ -50,7 +50,7 @@
           <tr>
             <td><i class="material-icons small">money</i></td>
             <td colspan="2">{% trans "Participation fee (all inclusive)" %}</td>
-            <td>{{ event.cost }}</td>
+            <td>{{ individual_cost }}</td>
           </tr>
           <tr>
             <td><i class="material-icons small">group</i></td>