* Deprecate DataSourcePoller
* Deprecate and move all rule processors and transformers
* Lint
* More deprecation
* Remove extra line
* Update deprecated class to not produce too many messages by limiting to unique messages
* Changelog
* Update all dependency uses, move TransformerService and TransformerInterface to Transformers package
* More dependency update
* Changelog
* Fix wrong file reference
* Lint markdown
* Lint markdown
* Add unsaved file
* Delete unused file and more lint
* More lint
* Ugh ignore faulty lint rule
* Rename variables for lint