Minor tweaks to inline comments
Summary: Ref T7447, Ref T1460. Moves "done" state to left, and no longer is a button (simpler CSS). Also feels a little nicer. Clean up some spacing issue with Ghosties.
Test Plan:
Test new and old comments, as author and reviewer.
Reviewers: btrahan, epriestley
Reviewed By: epriestley
Subscribers: aik099, Korvin, epriestley
Differential Revision: https://secure.phabricator.com/D12641