Fix comments and formatting

xxdk/backup.go

xxdk/cmix.go

xxdk/compress_test.go

xxdk/e2e.go

xxdk/event.go

xxdk/identity.go

xxdk/ndf.go

xxdk/notifications.go

xxdk/params.go

xxdk/params_test.go

xxdk/permissioning.go

xxdk/precan.go

xxdk/services.go

xxdk/services_test.go

xxdk/status.go

xxdk/user.go

xxdk/utils.go

xxdk/utils_test.go