* fix config settings for system-level expunge
* clean up expunge everything interface
* extract common system provider
* changelog
* version bump
* touch changelog to force a fresh pipeline
* re-enable publishing of checkstyle
* back out Gary's Sonatype change entirely
* Refactor to restore LGTM functionality
* Compile fix
* Work on cleanup
* Attempt to restore LGTM
* Work on tests
* Fixes
* Build fixes
* Build fix
* Test fix
* Test fixes
* Work on build
* License header updates
* Test fixes
* Test fixes
* License header
* Test fix
* Test fix
* Test fixes
* Restore LGTM
* Fix azure
* Disable test
* Test fixes
* Test cleanup
* Build fix
* Build fix
* Test fix
* Test fix
* Test fixes