phtize a bunch of strings

Summary: phtize a bunch of strings in ArcanistXHPASTLinter.

Test Plan: Eyeball it.

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12392