mod_http_oauth2: Reuse JWT issuance time as substitute for auth time
Makes the token shorter. Since iat and auth_time are generated at about
the same time they would only differ by a few microseconds anyway.
-- this module is deprecated, log an error and load the superseding modules instead
module:depends"smacks"
module:depends"nooffline_noerror"
module:log("error", "mod_smacks_noerror is deprecated! Just use mod_smacks and load mod_nooffline_noerror if you explicitly disabled offline storage (mod_offline)");