fix(branding) - misplaced executable.Name()

In `settings.Save()`, we were using `executable.Name()` to
generate the config directory, but we should have used
`executable.Config()`.

settings/settings.go

@@ -91,7 +91,7 @@ func (s *Settings) Save(cf string) (string, error) {
 		return "", err
 	}
 
-	if err = os.MkdirAll(filepath.Join(FindHome(), executable.Name()), 0700); err != nil {
+	if err = os.MkdirAll(filepath.Join(FindHome(), executable.Config()), 0700); err != nil {
 		return "", err
 	}