* Add commit phase to consensus algorithm (neo-project#534)

* Add commit phase to consensus algorithm

* fix tests

* Prevent repeated sending of `Commit` messages

* RPC call gettransactionheight (neo-project#541)

* getrawtransactionheight

Nowadays two calls are need to get a transaction height, `getrawtransaction` with `verbose` and then use the `blockhash`.
Other option is to use `confirmations`, but it can be misleading.

* Minnor fix

* Shargon's tip

* modified

* Allow to use the wallet inside a RPC plugin (neo-project#536)

* Clean code

* Clean code

* Minor fix on mempoolVerified

* Add MemoryPool Unit tests. Fix bug on initital start of Persisting the Genesis block.

* Prevent `ConsensusService` from receiving messages before starting (neo-project#573)

* Prevent `ConsensusService` from receiving messages before starting

* fixed tests - calling OnStart now

* Consensus recovery log (neo-project#572)

* Pass store to `ConsensusService`

* Implement `ISerializable` in `ConsensusContext`

* Start from recovery log

* Fix unit tests due to constructor taking the store.

* Add unit tests for serializing and deserializing the consensus context.

* Combine `ConsensusContext.ChangeView()` and `ConsensusContext.Reset()`

* Add `PreparationHash` field to `PrepareResponse` to prevent replay attacks from malicious primary (neo-project#576)

* Fixed a problem where `PrepareResponse.PreparationHash` was not assigned.

* Load context from store only when height matches

* Recover nodes requesting ChangeView when possible (neo-project#579)

* Fixes bug in `OnPrepareRequestReceived()`

* Send `RecoveryMessage` only when `message.NewViewNumber <= context.ViewNumber`

* Fix and optimize view changing (#590)

* Allow to ignore the recovery logs

* Add `isRecovering` (neo-project#594)

* Fix accepting own prepare request (neo-project#596)

* Pick some changes from neo-project#575.

* Fixes `Prefixes`

* Restore transactions from saved consensus context (neo-project#598)

* Refactoring

* AggressiveInlining (neo-project#606)

* Reset Block reference when consensus context is initialized after block persist. (neo-project#608)

* Change `ConsensusPayload` for compatibility (neo-project#609)