Move build status to the bottom of the property list

Summary: This moves the status property of the build to the bottom of the property list so that it matches the build targets.

Test Plan: Viewed a build, saw the status in the right position.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10096