R1:97e30c1d06cb

Update Celerity for handleRequest

Summary: Updates Celerity controllers

Test Plan: View Phabricator, change to high contrast, change to larger fonts. Everything seems ok?

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D13838