* wip
* Add tests and finish implementation
* Add proper default for periodicity, changes file, and documentation
* Fix tests and add defaults also to new installs
* EnableHostUsers should be true if undefined as well
* In some cases, periodicity can be zero because of the migrations
* Apply defaults when migrating appconfig
* Fix lint
* lint
* Address review comments
* Migrate all mysql tests to the new form
* Only dump sql if MYSQL_TEST is on
* Removing parallel until we get rid of this code
* Move TestMain to an actual _test file
* A little experiment with tmpfs to speed up the db
* Let's make sure the dump.sql file is also in ram