all: update license information

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accounts/abi/abi.go

accounts/abi/abi_test.go

accounts/abi/doc.go

accounts/abi/numbers.go

accounts/abi/numbers_test.go

accounts/abi/type.go

accounts/account_manager.go

accounts/accounts_test.go

cmd/bootnode/main.go

cmd/disasm/main.go

cmd/ethtest/main.go

cmd/evm/main.go

cmd/geth/blocktestcmd.go

cmd/geth/chaincmd.go

cmd/geth/js.go

cmd/geth/js_test.go

cmd/geth/main.go