Summary: Resolves T5895. This reduces page load times significantly when looking at builds. Test Plan: Viewed a build, saw the page load a lot faster. Reviewers: epriestley, #blessed_reviewers Reviewed By: epriestley, #blessed_reviewers Subscribers: epriestley, Korvin Maniphest Tasks: T5895 Differential Revision: https://secure.phabricator.com/D10286