* [NOD-1460] Move the miningmanager interfaces into its model package.
* [NOD-1460] Decouple miningmanager model from appmessage.
* [NOD-1460] Decouple miningmanager model from util.
* [NOD-1460] Make miningmanager implementation structs unexported.
* [NOD-1414] Add interfaces for Factory and State.
* [NOD-1414] Create interfaces for algorithms and data stores.
* [NOD-1414] Create empty implementations for algorithms and data stores.
* [NOD-1414] Add new functions for all the implementations.
* [NOD-1414] Begin filling in the interfaces.
* [NOD-1414] Fill in the interfaces for the data structures.
* [NOD-1414] Fill in the interfaces for the algorithms.
* [NOD-1414] Fix a bug in package names.
* [NOD-1414] Connect up the various interfaces.
* [NOD-1414] Add stubs to all the implementations.
* [NOD-1414] Create MiningManager and its Factory.
* [NOD-1414] Add interfaces for mempool and blockTemplateBuilder.
* [NOD-1414] Add implementation structs for miningManager.
* [NOD-1414] Add stub implementations for mempool and blockTemplateBuilder.
* [NOD-1414] Rename state to kaspadState.
* [NOD-1414] Restructure where interfaces sit.
* [NOD-1414] Restructure where interfaces sit in the algorithms package as well.
* [NOD-1414] Move remaining models out of models.go.
* [NOD-1414] Modified some interfaces.
* [NOD-1414] Make go vet happy.
* [NOD-1414] Move SerializedUTXOSet into PruningManager.
* [NOD-1414] Modify FindNextPruningPoint to return found and nextPruningPointUTXOSet.
* [NOD-1414] Add IsDAGAncestorOf.
* [NOD-1414] Add PruningPoint().
* [NOD-1414] Add Entry() to ReadOnlyUTXOSet.
* [NOD-1414] Add MergeSet() to BlockGHOSTDAGData.
* [NOD-1414] Write comments for all the exported types and functions in miningmanager.
* [NOD-1414] Add comments to the upper levels of KaspadState.
* [NOD-1414] Replace AddNode with ReachabilityChangeset.
* [NOD-1414] Add payAddress and extraData to GetBlockTemplate.
* [NOD-1414] Add scriptPublicKey and extraData to BuildBlock.
* [NOD-1414] Rename algorithms to processes.
* [NOD-1414] Rename kaspadState to consensus.
* [NOD-1414] Add ValidateAgainstPastUTXO and ValidateFinality.
* [NOD-1414] Add BlockGHOSTDAGData to ReachabilityChangeset.
* [NOD-1414] Fix the comment over Mempool.
* [NOD-1414] Fix the comment over ValidateTransaction.
* [NOD-1414] Fill up the data structures.
* [NOD-1414] Add comments to remaining uncommented items in miningmanager.
* [NOD-1414] Add comments to structs and constructors.
* [NOD-1414] Rename Set to Insert.
* [NOD-1414] Add comments to everything inside datastructures.
* [NOD-1414] Add comments to everything inside models.
* [NOD-1414] Add comments to the interfaces in processes.
* [NOD-1414] Add comments to everything in processes.
* [NOD-1414] Make go vet happy.
* [NOD-1414] Rename scriptPublicKey to coinbaseScriptPublicKey.
* [NOD-1414] Add handlers to the consensus.
* [NOD-1414] Add highHash to blockAtDepth.
* [NOD-1414] Add resolveFinalityConflict.
* [NOD-1414] Reorg BlockValidator.
* [NOD-1414] In ResolveFinalityConflicts, rename blockHash to newFinalityBlockHash.
* [NOD-1414] Fix a comment.
* [NOD-1414] Make reachability structs public.
* [NOD-1414] Make UTXO structs public.
