add check if the server instance is booted before linking it

pyweb/mumble/templates/mumble/list.html

@@ -7,7 +7,11 @@ Configured Mumble Servers
 <div class="rahmen">
   <ul>
   {% for mumble in MumbleObjects %}
+    {% if mumble.booted %}
       <li><a href="{% url mumble.views.show mumble.id %}">{{ mumble.name }}</a></li>
+    {% else %}
+      <li>{{ mumble.name }} (offline)</li>
+    {% endif %}
   {% endfor %}
   </ul>
 </div>

pyweb/mumble/templates/mumble/mobile_list.html

@@ -7,7 +7,11 @@ Configured Mumble Servers
 <div class="rahmen">
   <ul>
   {% for mumble in MumbleObjects %}
+    {% if mumble.booted %}
       <li><a href="{% url mumble.views.mobile_show mumble.id %}">{{ mumble.name }}</a></li>
+    {% else %}
+      <li>{{ mumble.name }} (offline)</li>
+    {% endif %}
   {% endfor %}
   </ul>
 </div>