R1:0cdce03b52a0

UI Improvements to Chatlog Application

Summary: Made improvements to the Chatlog application UI. Added Header & crumbs. Added service name and service type to the channel list table.

Test Plan: By checking out the chatlog application.

Reviewers: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5079