New translations en.json (Japanese)

lang/ja.json

@@ -652,6 +652,7 @@
     "currency": "通貨",
     "contact": "連絡先",
     "category": "カテゴリ",
+    "uncategorized": "Uncategorized",
     "from_date": "開始日",
     "to_date": "終了日",
     "expense_date": "日時",
@@ -1649,6 +1650,7 @@
   "pdf_total_tax_label": "合計税額",
   "pdf_tax_types_label": "税の種類",
   "pdf_expenses_label": "支出",
+  "pdf_expense_group_total_label": "Group total:",
   "pdf_bill_to": "請求先",
   "pdf_ship_to": "配送先",
   "pdf_received_from": "受信元:",