fix event type naming

app/controllers/admin/event_types_controller.rb

@@ -0,0 +1,21 @@
+module Admin
+  class EventTypesController < Admin::BaseController
+    authorize_resource
+    load_and_authorize_resource :conference, find_by: :short_title
+
+    def show
+      render :eventtypes
+    end
+
+    def update
+      @conference.update_attributes!(params[:conference])
+      redirect_to(admin_conference_event_types_path(
+                  conference_id: @conference.short_title),
+                  notice: 'Event types were successfully updated.')
+    rescue Exception => e
+      redirect_to(admin_conference_event_types_path(
+                  conference_id: @conference.short_title),
+                  alert: "Event types update failed: #{e.message}")
+    end
+  end
+end