Fix Error#initialize_dup for Rails < 3.2.13
Fix Error#initialize_dup for Rails < 3.2.13

AaronLasseigne/active_interaction,orgsync/active_interaction,AaronLasseigne/active_interaction,antoinefinkelstein/active_interaction,JasOXIII/active_interaction,frbl/active_interaction,antoinefinkelstein/active_interaction,frbl/active_interaction,orgsync/active_interaction,JasOXIII/active_interaction