phtize all the things

Summary: `pht`ize a whole bunch of strings in rP.

Test Plan: Intense eyeballing.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12797

scripts/cache/manage_cache.php

@@ -5,7 +5,7 @@ $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
 $args = new PhutilArgumentParser($argv);
-$args->setTagline('manage cache');
+$args->setTagline(pht('manage cache'));
 $args->setSynopsis(<<<EOSYNOPSIS
 **cache** __command__ [__options__]
     Manage Phabricator caches.