* [NOD-1413] Remove /cmd/addblock
* [NOD-1413] Define and implement TransactionValidator.
* [NOD-1413] Make changes to ConsensusStateManager's interface.
* [NOD-1413] Make changes to PruningManager's interface.
* [NOD-1413] Make changes to DAGTraversalManager's interface.
* [NOD-1413] Make changes to MultisetStore's interface.
* [NOD-1413] Make changes to UTXODiffStore's interface.
* [NOD-1413] Make changes to UTXODiffStore's interface harder.
* [NOD-1413] Make changes to AcceptanceDataStore's interface harder.
* [NOD-1413] Make changes to PruningStore's interface.
* [NOD-1413] Delete BlockIndex.
* [NOD-1413] Add FeeDataStore.
* [NOD-1413] Update BlockMessageStore's interface.
* [NOD-1413] Fix interface violations.
* [NOD-1413] Add FeeDataStore to BlockProcessor.
* [NOD-1413] Make go vet happy.
* [NOD-1413] Add missing fields to ConsensusStateChanges.
* [NOD-1413] Add another missing field to ConsensusStateChanges.
* [NOD-1413] Add a reference to blockStore in consensusStateManager.
* [NOD-1413] Add missing methods to UTXODiffStore.
* [NOD-1413] Rename pruningPointStore to pruningStore everywhere.
* [NOD-1413] Remove superfluous parameters from CalculateConsensusStateChanges.
* [NOD-1413] Add missing dependencies to PruningManager.
* [NOD-1413] Remove implementation-y functions from TransactionValidator's interface.
* [NOD-1413] Make go vet happy.
* [NOD-1413] Add a couple of methods to DAGTopologyManager.
* [NOD-1413] Fix a typo in a file name.
* [NOD-1413] Remove non-interface functions from Validator.
* [NOD-1416] Move processes/datastructures interfaces into the model package.
* [NOD-1416] Decouple the model from dbaccess.
* [NOD-1413] Implement DomainBlock and DomainTransaction.
* [NOD-1413] Decouple model from appmessage.
* [NOD-1413] Decouple model from util.
* [NOD-1413] Decouple model from subnetworkid.
* [NOD-1413] Remove an unused const.
* [NOD-1413] Add DomainHash and DomainTransactionID.
* [NOD-1413] Decouple model from daghash.
* [NOD-1413] Decouple model from mstime.
* [NOD-1413] Decouple model from go-secp256k1.
* [NOD-1413] Add a proxy over dbaccess.
* [NOD-1413] Add comments over all added types.
* [NOD-1413] Fix a comment.
* [NOD-1413] Get rid of DomainTime.
* [NOD-1413] Simplify BlockGHOSTDAGData.
