Update translations and docs

gui/assets/lang/lang-ja.json

@@ -151,6 +151,7 @@
     "Source Code": "ソースコード",
     "Staggered File Versioning": "簡易ファイルバージョニング",
     "Start Browser": "ブラウザーを起動する",
+    "Statistics": "Statistics",
     "Stopped": "止り",
     "Support": "サポート",
     "Sync Protocol Listen Addresses": "同期プロトコル待ち受けるアドレス",
@@ -170,6 +171,7 @@
     "The first command line parameter is the folder path and the second parameter is the relative path in the folder.": "第一コマンドパラメータはフォルダパス、第二パラメータはフォルダ内の相対パスです。",
     "The folder ID cannot be blank.": "フォルダIDは空欄にできません",
     "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscode (_) characters only.": "フォルダID(64文字以内)は数字、ドット(.)、ハイフン(-)、アンダースコア(_)で構成されている必要があります。",
+    "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscore (_) characters only.": "The folder ID must be a short identifier (64 characters or less) consisting of letters, numbers and the dot (.), dash (-) and underscore (_) characters only.",
     "The folder ID must be unique.": "フォルダIDは固有である必要があります。",
     "The folder path cannot be blank.": "フォルダーパスは空欄にできません",
     "The following intervals are used: for the first hour a version is kept every 30 seconds, for the first day a version is kept every hour, for the first 30 days a version is kept every day, until the maximum age a version is kept every week.": "以下の間隔が使われます: 最初の一時間はバージョンは30秒ごとに保持、最初の一日は一時間ごとに、最初の30日は一日ごとに、最大寿命までは一週間ごとに。",