fix nav bar highlighting

db/migrate/20130221035518_add_index_created_at_on_user_feedback.rb

@@ -0,0 +1,9 @@
+class AddIndexCreatedAtOnUserFeedback < ActiveRecord::Migration
+  def up
+    add_index :user_feedback, :created_at
+  end
+
+  def down
+    remove_index :user_feedback, :created_at
+  end
+end