Bit of cleanup on unit test lifecycle

move the test database file under /target/ as well and give it a longer name so it's clear what it really is.

rename test-utils to test-setup for better clarity.  remove some old tests which were commented out.

* add some jvm args to our expectations profile so that it runs in a more isolated environment

tidy up the unit test lifecycle functions so that we just have a single setup & teardown function which reuse as much of the normal app setup process as possible.

pull out the Jetty webserver management stuff into functions and track its lifecycle more explicitly so that we can gracefully trigger shutdown when needed.  The -main function now just wraps our (init) and (start-jetty) functions in a basic try/catch.

api test base url should get the port value from our config so that we can change it easily if we want to.

we don't need to manually make log4j changes in code, we can have a log4j.properties file specific to unit tests instead.

trigger sync-tables when we create a new Database

clear up fe dev build process

fix add-to-dashboard modal popup.

postgres not Postgres

better setup form labeling

hydrate Field target on /api/meta/table/:id/query_metadata