Merge pull request #1899 from obscuren/mipmap-bloom

core/blockchain.go

core/chain_makers.go

core/chain_util.go

core/chain_util_test.go

core/transaction_util.go

core/types/bloom9.go

core/types/bloom9_test.go

core/types/common.go

eth/backend.go

eth/backend_test.go

eth/filters/filter.go

eth/filters/filter_test.go

miner/worker.go

xeth/xeth.go