bcardarella/client_side_validations — pull request #436 by Frozenproduce (2012-11-15 12:34:16+00:00)
Title: Ensure that priority_zones isn't redefined to nil

As previously fixed on 3.1 by @leemhenson in commit 0d7090c6c7337a377bc6ffc1c96938a3535523c3