R1:148ab2b772b9

Lots of Icons

Summary: Tweaks the dark, grey, and white icons to match the action-icons. Also added a home icon for navigation.

Test Plan: looked at list navs, action menus.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D6142