Add Japanese translation (#1051)

* app: i18n: Add Japanese translation

* CHANGES: Add Japanese i18n

Author: zurukumo

CHANGES.rst

@@ -15,6 +15,7 @@ New Features
 - Add sorting option for comments (`#1005`_, pkvach)
 - admin: Add log out button (`#870`_, bbaovanc)
 - Add support for environment variables in config (`#1037`_, pkvach)
+- Add Japanese localisation (`#1051`_, zurukumo)
 
 .. _#870: https://github.com/posativ/isso/pull/870
 .. _#966: https://github.com/posativ/isso/pull/966
@@ -24,6 +25,7 @@ New Features
 .. _#1020: https://github.com/isso-comments/isso/pull/1020
 .. _#1005: https://github.com/isso-comments/isso/pull/1005
 .. _#1037: https://github.com/isso-comments/isso/pull/1037
+.. _#1051: https://github.com/isso-comments/isso/pull/1051
 
 Breaking Changes
 ^^^^^^^^^^^^^^^^

isso/js/app/i18n.js

@@ -18,6 +18,7 @@ var catalogue = {
     hr:      require("app/i18n/hr"),
     hu:      require("app/i18n/hu"),
     it:      require("app/i18n/it"),
+    ja:      require("app/i18n/ja"),
     ko:      require("app/i18n/ko"),
     nl:      require("app/i18n/nl"),
     oc:      require("app/i18n/oc"),
@@ -54,6 +55,7 @@ var pluralforms = function(lang) {
     case "hr":
     case "hu":
     case "it":
+    case "ja":
     case "ko":
     case "nl":
     case "pt":

isso/js/app/i18n/ja.js

@@ -0,0 +1,38 @@
+module.exports = {
+    "postbox-text": "コメントを入力してください (3文字以上)",
+    "postbox-author": "名前 (任意)",
+    "postbox-author-placeholder": "John Doe",
+    "postbox-email": "E-mail (任意)",
+    "postbox-email-placeholder": "johndoe@example.com",
+    "postbox-website": "ウェブサイト (任意)",
+    "postbox-website-placeholder": "https://example.com",
+    "postbox-preview": "プレビュー",
+    "postbox-edit": "編集",
+    "postbox-submit": "送信",
+    "postbox-notification": "返信があった場合にメールで通知する",
+
+    "num-comments": "コメント 1件\nコメント {{ n }}件",
+    "no-comments": "まだコメントはありません",
+    "atom-feed": "Atomフィード",
+
+    "comment-reply": "返信",
+    "comment-edit": "編集",
+    "comment-save": "保存",
+    "comment-delete": "削除",
+    "comment-confirm": "確認",
+    "comment-close": "閉じる",
+    "comment-cancel": "キャンセル",
+    "comment-deleted": "コメントは削除されました",
+    "comment-queued": "コメントは承認待ちです",
+    "comment-anonymous": "名無し",
+    "comment-hidden": "{{ n }}件 非表示",
+    "comment-page-author-suffix": "管理人",
+
+    "date-now": "たった今",
+    "date-minute": "1分前\n{{ n }}分前",
+    "date-hour": "1時間前\n{{ n }}時間前",
+    "date-day": "昨日\n{{ n }}日前",
+    "date-week": "先週\n{{ n }}週間前",
+    "date-month": "先月\n{{ n }}ヶ月前",
+    "date-year": "1年前\n{{ n }}年前"
+};