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

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

@@ -61,7 +61,11 @@
     "Currently Shared With Devices": "Currently Shared With Devices",
     "Danger!": "Опасност!",
     "Debugging Facilities": "Дебъг функционалност",
+    "Default Configuration": "Default Configuration",
+    "Default Device": "Default Device",
+    "Default Folder": "Default Folder",
     "Default Folder Path": "Път до папка по подразбиране",
+    "Defaults": "Defaults",
     "Delete Unexpected Items": "Delete Unexpected Items",
     "Deleted": "Изтрито",
     "Deselect All": "Никое",
@@ -97,7 +101,9 @@
     "Downloading": "Изтегляне",
     "Edit": "Промени",
     "Edit Device": "Edit Device",
+    "Edit Device Defaults": "Edit Device Defaults",
     "Edit Folder": "Edit Folder",
+    "Edit Folder Defaults": "Edit Folder Defaults",
     "Editing {%path%}.": "Променяне на {{path}}.",
     "Enable Crash Reporting": "Enable Crash Reporting",
     "Enable NAT traversal": "Разреши NAT traversal",