gui, man, authors: Update docs, translations, and contributors

gui/default/assets/lang/lang-ja.json

@@ -100,9 +100,9 @@
     "Downloaded": "ダウンロード済",
     "Downloading": "ダウンロード中",
     "Edit": "編集",
-    "Edit Device": "Edit Device",
+    "Edit Device": "デバイスの編集",
     "Edit Device Defaults": "Edit Device Defaults",
-    "Edit Folder": "Edit Folder",
+    "Edit Folder": "フォルダーの編集",
     "Edit Folder Defaults": "Edit Folder Defaults",
     "Editing {%path%}.": "{{path}} を編集中",
     "Enable Crash Reporting": "クラッシュレポートを有効にする",
@@ -402,7 +402,7 @@
     "You must keep at least one version.": "少なくとも一つのバージョンを保持する必要があります。",
     "You should never add or change anything locally in a \"{%receiveEncrypted%}\" folder.": "You should never add or change anything locally in a \"{{receiveEncrypted}}\" folder.",
     "days": "日",
-    "directories": "directories",
+    "directories": "個のディレクトリ",
     "files": "個のファイル",
     "full documentation": "詳細なマニュアル",
     "items": "項目",