(motion to reconsider proposed classes in class action lawsuit alleging violations of federal Migrant and Seasonal Agricultural Workers Protection Act; plaintiffs sought reconsideration of class certification for meal break violations for workers jointly employed; court held evidence established a uniform policy that permitted reconsideration of employees jointly employed; court denied plaintiffs request to recertify other classes as they failed to establish evidence of off the clock work and employee purchase of tools; plaintiffs permitted to file second motion for class certification with respect to meal period of jointly employed plaintiffs).