Merge pull request #3092 from fjl/state-journal

accounts/abi/bind/backends/simulated.go

cmd/evm/main.go

core/chain_makers.go

core/execution.go

core/state/dump.go

core/state/journal.go

core/state/managed_state_test.go

core/state/state_object.go

core/state/state_test.go

core/state/statedb.go

core/state/statedb_test.go

core/state/sync_test.go

core/tx_pool.go

core/vm/environment.go

core/vm/instructions.go

core/vm/jit.go

core/vm/jit_test.go

core/vm/runtime/env.go

core/vm/vm.go

core/vm_env.go