Add hook after running linters

Summary: This resolves D4380#7 by reverting https://secure.phabricator.com/D4380?vs=9112&id=9123.

Test Plan: Used it in our linters.

Reviewers: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4409
Display other locations of lint errors in console renderer

Test Plan: Created function named `f_a`, manually set other location.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4412