Changes
/* Configuration levels */
1) ''<internal_storage>'' is the public root directory of a device.
2) ''<app_package_name>'' is the app-specific package name, e.g. "com.augmensys.ubik.demo" or "com.augmensys.ubik.customer1.topicA" (depending on the customer and the topic the app exists for, if the customer has multiple apps).
3) ''<user>'' is a specific user's account name (lower case).