Implement conditional get/caching of processed feed in pod shifter by 12pm thursday

Created by Adam on 2008-11-05; known on 2008-11-06; judged wrong by Glenn on 2008-11-06.

• Adam estimated 75% on 2008-11-05
• Glenn estimated 65% on 2008-11-05
• Glenn   judged this prediction wrong on 2008-11-06.