bloom refactor (#7475)

* 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

util/bloomchain/src/lib.rs

@@ -0,0 +1,17 @@
+extern crate ethbloom as bloom;
+
+mod chain;
+mod config;
+mod database;
+pub mod group;
+mod number;
+mod position;
+mod filter;
+
+pub use bloom::{Bloom, BloomRef, Input};
+pub use chain::BloomChain;
+pub use config::Config;
+pub use database::BloomDatabase;
+pub use number::Number;
+pub use position::Position;
+pub use filter::Filter;