Merge pull request #769 from obscuren/develop

common/natspec/natspec_e2e_test.go

core/block_processor.go

core/chain_makers.go

core/chain_manager.go

core/error.go

core/transaction_pool.go

core/transaction_pool_test.go

eth/backend.go

eth/handler.go

eth/peer.go

miner/worker.go

xeth/xeth.go