Explain reasoning behind kitty gifts

Summary: I find this fact very useful for understanding my feline companion

Test Plan: Added "Motivator: Cat Facts" to the project, nothing broke

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D16374

src/applications/search/profilepanel/PhabricatorMotivatorProfilePanel.php

@@ -140,6 +140,9 @@ final class PhabricatorMotivatorProfilePanel
         'to launch their attacks. Watch out!'),
       pht('Cats prefer vanilla ice cream.'),
       pht('Taco cat spelled backwards is taco cat.'),
+      pht(
+        'Cats will often bring you their prey because they feel sorry '.
+        'for your inability to hunt.'),
      );
   }