Tweak to the important dates page title. Commit ready for merge

 - Legacy-Id: 13958

Author: rjsparks

ietf/templates/meeting/important-dates.html

@@ -4,7 +4,7 @@
 
 {% load ietf_filters staticfiles %}
 
-{% block title %}IETF {{meeting.number}} : Important Dates{% endblock %}
+{% block title %}IETF {{meetings.0.number}} : Important Dates{% endblock %}
 
 {% block content %}
   {% origin %}