refs #6301
- fix messages that joined with comma and therefore missed outputting version no
- change `logInfo` to `logger` that has both an info and a warn method
- add new warn method to errors
- add a warn message everytime a migration (data or fixture) gets skipped over
- update logger everywhere, including tests
- update tests to check logger.warn gets called
refs #6301
- Replace builder & automated database upgrade with a set of explicit tasks
- Ensure the tasks can only happen if they need to
- Remove some duplicate code between fixture & db upgrades (more to do)
- Add tests
refs #6301
- changes createTable to use createTableIfNotExists, this is consistent with deletion
- splits out backup, reset, update and populate functions from migration/index into their own files
- moves the wrapped function for populatingDefaultSettings to fixtures.ensureDefaultSettings
- moves `modelOptions` down to the fixture files that actually use it
- adds test coverage for backup, reset and populate, but not for update as that needs refactoring
