Pholio tile to home page and mock to show first image
Summary:
Pholio tile to show up on home page
First image is shown at mock page.
Test Plan: Pholio app shows up on home page. First image is shown at mock page.
Reviewers: epriestley
CC: aran, Korvin
Maniphest Tasks: T2356
Differential Revision: https://secure.phabricator.com/D4553