* syncHealth removed capitalization from an error string
* replaced error variable names in testStatus()
* TestStatus splits into 3 separate tests
* unit test refinement + travis resolved issues
* modified isSynced in querier.go + deleted uncommented code
* removed conditional logic from two unit tests
* TestStatus_ReturnsErrorWhenNotSynced
* moved defer TeardownDB outside setupSyncService
* refactor repo to use protos
* removed block successfully in types
* db package updated
* db, core passing
* chain service done
* no more block instances
* all pass
* deprecate all block protos
* tests pass