* Bolt to kv/bolt
* Remove unused code
* Remove unused roles code
* Remove unused duplicate Makefile
* Clean up bolt implementation and start layering in an interface for another store
* Layer in kv interface
* Continue layering in kv interface
* Remove circuitbreaker things
* Move cell stuff out
* Convert cell logic to kv interface
* Start adding config logic to kv interface, likely will remain bolt only
* Get to compile with bolt kv before moving too far forward
* Start removing dead dashboard code
* Add generic kv implementation for dashboards
* Convert layouts to kv interface
* Migrate mappings to kv layer
* Migrate org_config to kv layer
* Migrate organizations to kv layer
* Migrate servers to kv layer
* Migrate sources to kv layer
* Migrate users to kv layer
* Start removing unused migration logic
Since there is a migration path for users via updating to 1.7.x line then to 1.8, there isn't any real reason to continue supporting migrating from a version ~2 years old.
* Cleaning up bolt dead codes
* Re-add disabled code
* Migrate tests over to kv layer
* Migrate config to kv layer
* Create default organization
* Remove etcd for now
* Improve new client and new service implementations
* Uncomment bolt build tests
* Add layouts test
* Add more dashboard tests to kv
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