Give Phragment a sort of tetris block thing as a title glyph
Summary:
Fixes T11679. This application is probably vanishing into the aether eventually, but stop it from fataling for now.
Here's the glyph: ▛
It's like a fragment of a block of file data! Right? Obviously.
Test Plan: Visited /phragment/ with glpyhs on, saw the glyph.
Reviewers: chad, avivey
Reviewed By: avivey
Subscribers: avivey, hach-que
Maniphest Tasks: T11679
Differential Revision: https://secure.phabricator.com/D16588