Fix order clause so it runs on Rails 3.2 and MySQL
Fix order clause so it runs on Rails 3.2 and MySQL

ActiveRecord/Arel 3.2 does not escape the order clause, resulting in a SQL syntax error on MySQL 5.5.35
infinum/phrasing,paulewetzel/phrasing,aniltimt/phrasing,paulewetzel/phrasing,1000ideas/phrasing,infinum/phrasing,infinum/phrasing,1000ideas/phrasing,aniltimt/phrasing,aniltimt/phrasing,paulewetzel/phrasing