Updated chain for filtering

ethchain/block.go

ethchain/block_chain.go

ethchain/block_chain_test.go

ethchain/state_manager.go

ethchain/state_transition.go

ethchain/vm_env.go

ethereum.go

ethpipe/vm_env.go

ethstate/state.go

ethutil/rlp.go

ethutil/value.go

ethvm/closure.go

ethvm/vm.go

ethwire/messaging.go