Merge pull request #15146 from karalabe/byzantium-rebrand

consensus/ethash/consensus.go

core/state_processor.go

core/types/receipt.go

core/vm/contracts.go

core/vm/contracts_test.go

core/vm/evm.go

core/vm/gas_table.go

core/vm/interpreter.go

core/vm/jump_table.go

params/config.go

tests/init.go

tests/transaction_test.go