update view names in example templates

django_sshkey/templates.example/sshkey/userkey_list.html

 <h1>My Keys</h1>
-<p><a href="{% url sshkey.views.userkey_add %}">Add Key</a></p>
+<p><a href="{% url django_sshkey.views.userkey_add %}">Add Key</a></p>
 <table>
   <tr>
     <th>Key</th>
@@ -14,8 +14,8 @@
     <td>{{ userkey.fingerprint }}</td>
     <td>{{ userkey.created }}</td>
     <td>{{ userkey.last_modified }}</td>
-    <td><a href="{% url sshkey.views.userkey_edit userkey.pk %}">Edit</a></td>
-    <td><a href="{% url sshkey.views.userkey_delete userkey.pk %}">Delete</a></td>
+    <td><a href="{% url django_sshkey.views.userkey_edit userkey.pk %}">Edit</a></td>
+    <td><a href="{% url django_sshkey.views.userkey_delete userkey.pk %}">Delete</a></td>
   </tr>
 {% endfor %}
 </table>