Correct organization of module internal translations.
Rename `updateSettings` to `updateStoreSettings`.
Drop `usergroup` subkey of `raw_settings` and `settings` in usergroups.
Correct organization of module internal translations.
Simplify usergroup server _lib functions.
Refactor usergroup/edit server method.
Refactor usergroup/remove server method.
Refactor usergroup/show server method.
Check for parent_group existent before create/update.
Lint.
Add page title for usergroups/new