v2.2.1

v2.2.1 - 2014-04-21

• Allow previous and next to take the current record in their scope - @pnomolos / @johnnyshields
• Alias Date#in_time_zone to #to_time_in_current_zone if not already defined (e.g. for Rails <= 3) - @jcypret / @johnnyshields
• Add oldest and newest methods