R1:43f0076615c2

Put inline comment anchors above the comments

Summary: See T955. We jump to an awkard place right now; jump above the comment instead.

Test Plan: Clicked inline comment anchor links.

Reviewers: Makinde, btrahan

Reviewed By: Makinde

CC: aran, epriestley

Maniphest Tasks: T955

Differential Revision: https://secure.phabricator.com/D2029