R1:590f54a20e46

Pholio inline comments have a minimum size

Summary: Pholio inline comments now have minimum size of 16x16 px

Test Plan: Made some inlines

Reviewers: epriestley

CC: aran, Korvin, AnhNhan

Maniphest Tasks: T2647

Differential Revision: https://secure.phabricator.com/D5250