Merge pull request #14336 from obscuren/metropolis-preparation

build/update-license.go

cmd/evm/main.go

cmd/evm/runner.go

common/bytes.go

consensus/ethash/consensus.go

consensus/ethash/consensus_test.go

core/chain_makers.go

core/state/journal.go

core/state/statedb.go

core/state_processor.go

core/types/transaction_signing.go

core/vm/contracts.go

core/vm/contracts_test.go

core/vm/evm.go

core/vm/instructions.go

core/vm/interpreter.go

core/vm/intpool.go

core/vm/jump_table.go

core/vm/memory.go

core/vm/stack.go