R1:0b4ccdade9ab

Show only open tasks on Tasks people profile panel

Summary: This currently queries all tasks, make it limit to only open tasks.

Test Plan: Assign myself an open and a resolved task. See only open on profile.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D17476