[1.8.x] Enhanced registration/login.html example template.

Backport of 1369da676f3bd83d694ca5f00c5012f16b007acb from master

docs/topics/auth/default.txt

@@ -847,6 +847,15 @@ implementation details see :ref:`using-the-views`.
         <p>Your username and password didn't match. Please try again.</p>
         {% endif %}
 
+        {% if next %}
+            {% if user.is_authenticated %}
+            <p>You account doesn't have access to this page. To proceed, please
+            login with an account that has access.</p>
+            {% else %}
+            <p>Please login to see this page.</p>
+            {% endif %}
+        {% endif %}
+
         <form method="post" action="{% url 'django.contrib.auth.views.login' %}">
         {% csrf_token %}
         <table>
@@ -864,6 +873,9 @@ implementation details see :ref:`using-the-views`.
         <input type="hidden" name="next" value="{{ next }}" />
         </form>
 
+        {# Assumes you setup the password_reset view in your URLconf #}
+        <p><a href="{% url 'password_reset' %}">Lost password?</a></p>
+
         {% endblock %}
 
     If you have customized authentication (see