* Update constants
* Add to transaction SigOpCount
* Update mass calculation, and move it from InContext to InIsolation
* Update block validation accordingly
* Add SigOpCount validation during TransactionInContext
* Remove checking of mass vs maxMassAcceptedByBlock from consensusStateManager
* Update mining manager with latest changes
* Add SigOpCount to MsgTx.Copy()
* Fix initTestTransactionAcceptanceDataForClone
* Fix all tests in transaction_equal_clone_test.go
* Fix TestBlockMass
* Fix tests in transactionvalidator package
* Add SigOpCount to sighash
* Fix TestPruningDepth
* Fix problems in libkaspawalelt
* Fix integration tests
* Fix CalculateSignatureHash tests
* Remove remaining places talking about block size
* Add sanity check to checkBlockMass to make sure all transactions have their mass filled
* always add own sigOpCount to sigHash
* Update protowire/rpc.md
* Start working on removing any remaining reference to block/tx size
* Update rpc transaction verbose data to include mass rather then size
* Convert verboseData and block size check to mass
* Remove remaining usages of tx size in mempool
* Move transactionEstimatedSerializedSize to transactionvalidator
* Add PopulateMass to fakeRelayInvsContext
* Move PopulateMass to beggining of ValidateAndInsertTransaction + fix in it
* Assign mass a new number for backward-compatibility
