Replace some hsprintf() with phutil_tag()
Summary:
I just want to make sure that this is the style we want.
It seems less readable to me in some cases.
Test Plan: Looked at DarkConsole with errors.
Reviewers: epriestley
Reviewed By: epriestley
CC: Korvin, epriestley, aran
Differential Revision: https://secure.phabricator.com/D7533