fix order of events

lib/helpers/events.rb

@@ -22,7 +22,7 @@ module EventsHelper
   end
 
   def academic_years_event_items
-    items.find_all('/events/*').map { |e| [e[:academic_year], e] }.sort_by(&:first)
+    items.find_all('/events/*').map { |e| [e[:academic_year], e] }.sort_by(&:first).reverse
   end
 
   def grouped_events