Allow Maniphest reports to be sorted, filtered by project, and have adjustable window sizes

Summary: Minor UI enhancement requests from Quora.

Test Plan: Filtered / sorted / window'd reports.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran, epriestley

Maniphest Tasks: T994

Differential Revision: https://secure.phabricator.com/D1976