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

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

@@ -61,7 +61,11 @@
     "Currently Shared With Devices": "Momenteel gedeeld met apparaten",
     "Danger!": "Let op!",
     "Debugging Facilities": "Debugmogelijkheden",
+    "Default Configuration": "Standaardconfiguratie",
+    "Default Device": "Standaardapparaat",
+    "Default Folder": "Standaardmap",
     "Default Folder Path": "Standaardmaplocatie",
+    "Defaults": "Standaardwaarden",
     "Delete Unexpected Items": "Onverwachte items verwijderen",
     "Deleted": "Verwijderd",
     "Deselect All": "Alles deselecteren",
@@ -97,7 +101,9 @@
     "Downloading": "Downloaden",
     "Edit": "Bewerken",
     "Edit Device": "Apparaat bewerken",
+    "Edit Device Defaults": "Standaardwaarden van apparaat bewerken",
     "Edit Folder": "Map bewerken",
+    "Edit Folder Defaults": "Standaardwaarden van map bewerken",
     "Editing {%path%}.": "{{path}} bewerken.",
     "Enable Crash Reporting": "Crashrapportage inschakelen",
     "Enable NAT traversal": "NAT traversal inschakelen",