R1:2c43cccddf36

Update Almanac for PHUITwoColumnView

Summary: Updates Almanac to the new layout, adds some header icons for interest.

Test Plan: Click on all the different almanac pages.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15381