api/auth.go
func logout(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	return app.AuthScheme.Logout(t.GetValue())
}
func logout(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	return app.AuthScheme.Logout(t.GetValue())
}
// title: logout
// path: /users/tokens
// method: DELETE
// responses:
//   200: Ok