Added rel=nofollow to sign-in links

 - Legacy-Id: 1964

Author: pasieronen

ietf/templates/base.html

@@ -34,7 +34,7 @@
 	       {% if user.is_authenticated %}
 	       <span style="float: right; font-size: 80%;">Logged in as {{ user }}</span>
                {% else %}
-               <span style="float: right; font-size: 80%;"><a href="/accounts/login/?next={{request.path|urlencode}}">Sign In</a></span>
+               <span style="float: right; font-size: 80%;"><a href="/accounts/login/?next={{request.path|urlencode}}" rel="nofollow">Sign In</a></span>
 	       {% endif %}
 	       {% block content %}{% endblock %}
 	    </div>

ietf/templates/idrfc/base.html

@@ -62,7 +62,7 @@
 <div id="ietf-login">{% if user.is_authenticated %}
 {{ user }}
 {% else %}
-<a href="/accounts/login/?next={{request.path|urlencode}}">Sign In</a>
+<a href="/accounts/login/?next={{request.path|urlencode}}" rel="nofollow">Sign In</a>
 {% endif %}</div>
 
 <table style="margin-left:8px;margin-top:8px;" width="98%;">