Mark some strings for translation

Summary: Add some more `pht`izations.

Test Plan: Eyeball it.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D13200

src/applications/fact/controller/PhabricatorFactHomeController.php

@@ -109,7 +109,7 @@ final class PhabricatorFactHomeController extends PhabricatorFactController {
       ->setUser($user)
       ->appendChild(
         id(new AphrontFormSelectControl())
-          ->setLabel('Y-Axis')
+          ->setLabel(pht('Y-Axis'))
           ->setName('y1')
           ->setOptions($options))
       ->appendChild(