Write a very basic string extractor

Summary: Ref T1139. This has some issues and glitches, but is a reasonable initial attempt that gets some of the big pieces in. We have about 5,200 strings in Phabricator.

Test Plan: {F108261}

Reviewers: btrahan

Reviewed By: btrahan

CC: aran, chad

Maniphest Tasks: T1139

Differential Revision: https://secure.phabricator.com/D8138

scripts/setup/manage_i18n.php

@@ -0,0 +1,21 @@
+#!/usr/bin/env php
+<?php
+
+$root = dirname(dirname(dirname(__FILE__)));
+require_once $root.'/scripts/__init_script__.php';
+
+$args = new PhutilArgumentParser($argv);
+$args->setTagline('manage internationalization');
+$args->setSynopsis(<<<EOSYNOPSIS
+**i18n** __command__ [__options__]
+    Manage translations and internationalization.
+
+EOSYNOPSIS
+  );
+$args->parseStandardArguments();
+
+$workflows = id(new PhutilSymbolLoader())
+  ->setAncestorClass('PhabricatorInternationalizationManagementWorkflow')
+  ->loadObjects();
+$workflows[] = new PhutilHelpArgumentWorkflow();
+$args->parseWorkflows($workflows);