Muda a representacao do usuario na navbar

sapl/templates/base.html

@@ -134,15 +134,10 @@
                 <li><a href="{% url 'sapl.base:login' %}"><img src="{% static 'img/user.png' %}"></a></li>
               {% else %}
                 <li class="dropdown">
-                  <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">
-                    {% if user.first_name or user.last_name %}
-                      {{ user.get_full_name }}
-                    {% else %}
-                      {{ user.username }}
-                    {% endif %}
-                    <span class="caret"></span>
+                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false"><img height="30" width="30" src="{% static 'img/authenticated.png' %}"><span class="caret"></span></a>
                   </a>
                   <ul class="dropdown-menu">
+                    <li><a>{{user.username}}</a></li>
                     <li><a href="{% url 'sapl.base:logout' %}">Sair</a></li>
                   </ul>
                 </li>