Merge pull request #3525 from fjl/all-gosimple-cleanup

accounts/abi/abi_test.go

accounts/abi/bind/bind.go

accounts/abi/type.go

build/ci.go

cmd/ethtest/main.go

cmd/geth/accountcmd_test.go

cmd/geth/main.go

cmd/swarm/main.go

cmd/utils/cmd.go

common/big_test.go

common/bytes.go

common/bytes_test.go

common/compiler/solidity.go

common/format.go

common/math/dist_test.go

compression/rle/read_write.go

console/console.go

core/block_validator_test.go

core/blockchain.go

core/blockchain_test.go