R1:fe8751bea662

Fix Remarkup sprite, tweak Transactions

Summary: This fixes the sprite for remarkup and does some minor tweaks for transactions (so Differential looks a little more like timeline)

Test Plan: tested remarkup, differential

Reviewers: epriestley, btrahan

CC: Korvin, epriestley, aran

Differential Revision: https://secure.phabricator.com/D7418