db66cd830d
Summary: Updates PhabricatorTimeline to PHUITimeline. Uses standard colors and spacing, softens up the actors, and reduces visual spacing of action-only events. - Also updated some 2x sprite images. Test Plan: Tested Tasks Paste and Pholio in my sandbox. Reviewers: epriestley, btrahan Reviewed By: epriestley CC: Korvin, epriestley, aran Differential Revision: https://secure.phabricator.com/D8205