* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor finished

* cleanup bloom mess

* simplify usage of Bloom in few places

* removed obsolete util/src/lib.rs

* removed commented out code

* ethereum-types 0.1.4

* updated ethereum-types and tiny-keccak