validates_confirmation_of :pass_crypt # , :message => ' must match the confirmation password'
validates_uniqueness_of :display_name, :allow_nil => true, :case_sensitive => false, :if => proc { |u| u.display_name_changed? }
validates_uniqueness_of :email, :case_sensitive => false, :if => proc { |u| u.email_changed? }
validates_confirmation_of :pass_crypt # , :message => ' must match the confirmation password'
validates_uniqueness_of :display_name, :allow_nil => true, :case_sensitive => false, :if => proc { |u| u.display_name_changed? }
validates_uniqueness_of :email, :case_sensitive => false, :if => proc { |u| u.email_changed? }