* More work on the integration test
* Correctly get supervisor IP
* Use Fatal for test errors
* test-integration working separate from run-supervisor
* Use jenkins' JOB_NAME to identify and remove containers with their volumes
* Document testing procedure
* Document the assume-unchanged tip
* Use /mnt/root for data path
* Nicer secret assignment
* Restart app when purging
* Use log.Fatal to exit with status 1
* Quotes in entry.sh
* Use JSON for request body
* Handle errors for parseJsonBody
* Better error printing in main
* First attempt at testing nodesuper from Go
* Cleaner build
* Use ARCH to differentiate concurrent tests/builds
* Use --rm to autoremove containers
