mod_rest: Declare presence priority an integer in -128..127 per RFC6121 util.datamapper doesn't actually understand min/max, but it's informative and the schema could be used to validate the input at some point.

-- this module is deprecated, log an error and load the superseding module instead
module:depends"smacks"

module:log("error", "mod_smacks_offline is deprecated! Just use mod_smacks!");