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

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

@@ -61,7 +61,11 @@
     "Currently Shared With Devices": "Derzeit mit Geräten geteilt",
     "Danger!": "Achtung!",
     "Debugging Facilities": "Debugging-Möglichkeiten",
+    "Default Configuration": "Default Configuration",
+    "Default Device": "Default Device",
+    "Default Folder": "Default Folder",
     "Default Folder Path": "Standardmäßiger Ordnerpfad",
+    "Defaults": "Defaults",
     "Delete Unexpected Items": "Unerwartete Elemente löschen",
     "Deleted": "Gelöscht",
     "Deselect All": "Alle abwählen",
@@ -97,7 +101,9 @@
     "Downloading": "Lädt herunter",
     "Edit": "Bearbeiten",
     "Edit Device": "Gerät bearbeiten",
+    "Edit Device Defaults": "Edit Device Defaults",
     "Edit Folder": "Ordner bearbeiten",
+    "Edit Folder Defaults": "Edit Folder Defaults",
     "Editing {%path%}.": "Bearbeite {{path}}.",
     "Enable Crash Reporting": "Absturzmeldung aktivieren",
     "Enable NAT traversal": "NAT-Durchdringung aktivieren",