migrate examinations to generic model (and start adding mangament)

templates/index.html

@@ -31,6 +31,10 @@
     <div>
         {% if request.user.is_staff %}
             Manage users <a href="{% url 'accounts_list'%}">here</a> and candidates <a href="{% url 'generic:manage_cids'%}">here</a>
+
+            <p>Manage <a href="{% url 'generic:examination_view' %}">Examinations</a>
+
+            </p>
         {% endif %}
     </div>
 {% endblock %}