Rename "roles" to "units". Put units in their own folders.

lib/units/device/plugins/phone.js

@@ -0,0 +1,21 @@
+var syrup = require('syrup')
+
+var logger = require('../../../util/logger')
+
+module.exports = syrup.serial()
+  .dependency(require('./service'))
+  .define(function(options, service) {
+    var log = logger.createLogger('device:plugins:phone')
+
+    function fetch() {
+      log.info('Fetching phone info')
+      return service.getProperties([
+        'imei'
+      , 'phoneNumber'
+      , 'iccid'
+      , 'network'
+      ])
+    }
+
+    return fetch()
+  })