Instead, we pass around a hashref and update the hashref. This patch also includes some cleanup for bugs surrounding percentage_complete, attachments.isobsolete, attachments.ispatch, and owner_idle_time. r=mkanat, a=mkanat git-svn-id: svn://10.0.0.236/trunk@260676 18797224-902f-48f8-a5cc-f745e15eee43