Use serial syrup everywhere.

lib/roles/device/support/http.js

@@ -6,7 +6,7 @@ var express = require('express')
 
 var logger = require('../../../util/logger')
 
-module.exports = syrup()
+module.exports = syrup.serial()
   .define(function(options) {
     var log = logger.createLogger('device:support:http')
       , port = options.ports.pop()