Merge branch 'release/poc5-rc7'

README.md

ethchain/block.go

ethchain/block_chain.go

ethchain/block_chain_test.go

ethchain/dagger.go

ethchain/genesis.go

ethchain/state.go

ethchain/state_manager.go

ethchain/state_object.go

ethchain/state_object_test.go

ethchain/transaction.go

ethchain/transaction_pool.go

ethchain/vm.go

ethchain/vm_test.go

ethereum.go

ethminer/miner.go

ethpub/pub.go

ethpub/types.go

ethutil/common.go

ethutil/common_test.go