* Adding other top level vars to be parsed into config
* Adding additional vars for parsing
* Fixing shell script conditionals in remaining entrypoints
* Adding null default for remaining env variable if statements
* If the directory is somehow persistent, but the config file itself isn't created yet, create it
* Other improvements to thd storagenode Docker image
* Other improvements to thd satellite Docker image
* Other improvements to thd gateway Docker image
* Other improvements to thd uplink Docker image
