Add Pirate language only on Talk Like a Pirate Day

Let's see who finds this.

resources/qml/Preferences/GeneralPage.qml

@@ -161,6 +161,12 @@ UM.PreferencesPage
                             append({ text: "Português do Brasil", code: "ptbr" })
                             append({ text: "Русский", code: "ru" })
                             append({ text: "Türkçe", code: "tr" })
+
+                            var date_object = new Date();
+                            if (date_object.getUTCMonth() == 8 && date_object.getUTCDate() == 19) //Only add Pirate on the 19th of September.
+                            {
+                                append({ text: "Pirate", code: "7s" })
+                            }
                         }
                     }