R1:0b1e8d0296eb

Fix margin on blank members boxes on projects

Summary: Possible side effect of fixing other info views yesterday. Removes bottom margin on empty member boxes.

Test Plan: Review various projects with and without members.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D16002