* WIP: Dummy db clean service
* [WIP. NOT READY FOR REVIEW] Add DB cleanup routine that cleans block vote cache
* Add missing bazel config
* Put DB clean behind a CLI flag
* Address review comments
* Fix error handling
* polling interval
* adding proto message
* changing proto messages
* changing naming
* adding slot functionality
* initial sync working
* new changes
* more sync fixes
* its working now
* finally working
* add tests
* fix tests
* tests
* adding tests
* lint
* log checks
* making changes to simulator
* update logs
* fix tests
* get sync to work with crystallized state
* fixing race
* making requested changes
* unexport
* documentation
* gazelle and fix merge conflicts
* adding repeated requests
* fix lint
* adding new clock , db methods, and util func
* revert change to test
* gazelle
* add in test
* gazelle
* finally working
* save slot
* fix lint and constant
* adding proto messages
* adding fields
* adding new service
* new changes
* checking in file from syncFix
* fixing test
* add test
* adding to node
* goimports
* adding query service to sync services
* sync working
* finally works
* fix test
* lint
* fix build
* fix test
* Standardize params for BeaconChain and Validator projects
* gofmt
* various changes to bring up to standards
* lint
* linter 2, not sure why travis complains
* revert service_test.go
