Merge pull request #3355 from fjl/hexutil-2

accounts/addrcache.go

common/hexutil/hexutil.go

common/hexutil/hexutil_test.go

common/hexutil/json.go

common/hexutil/json_test.go

common/types.go

common/types_test.go

core/types/block.go

core/types/bloom9.go

core/types/json.go

core/types/json_test.go

core/types/receipt.go

core/types/transaction.go

core/vm/log.go

core/vm/log_test.go

eth/filters/api.go

ethclient/ethclient.go