Add support for "status" and "order" to pro search

Summary: Ref T2625. Further expands the "pro" search.

Test Plan: Used new options to query tasks.

Reviewers: btrahan, garoevans

Reviewed By: garoevans

CC: aran

Maniphest Tasks: T2625

Differential Revision: https://secure.phabricator.com/D6935