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

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

@@ -28,6 +28,7 @@
     "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.": "An external command handles the versioning. It has to remove the file from the shared folder. If the path to the application contains spaces, it should be quoted.",
     "Anonymous Usage Reporting": "匿名での使用状況レポート",
     "Anonymous usage report format has changed. Would you like to move to the new format?": "匿名での使用状況レポートのフォーマットが変わりました。新形式でのレポートに移行しますか？",
+    "Apply": "Apply",
     "Are you sure you want to continue?": "続行してもよろしいですか？",
     "Are you sure you want to override all remote changes?": "リモートでの変更をすべて上書きしてもよろしいですか？",
     "Are you sure you want to permanently delete all these files?": "これらのファイルをすべて完全に削除してもよろしいですか？",
@@ -392,6 +393,7 @@
     "Time the item was last modified": "項目を最後に変更した日時",
     "Today": "Today",
     "Trash Can File Versioning": "ゴミ箱によるバージョン管理",
+    "Twitter": "Twitter",
     "Type": "タイプ",
     "UNIX Permissions": "UNIX パーミッション",
     "Unavailable": "利用不可",