phabot pickup repository objects

Test Plan:
  <dctrwatson> rP
  <phabot> rP (Phabricator) - https://secure.phabricator.com/diffusion/P/

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley

CC: Korvin, epriestley, aran

Differential Revision: https://secure.phabricator.com/D8101