Add broadcast impl

src/lib.rs

@@ -11,6 +11,7 @@ pub mod event;
 pub mod hash;
 pub mod historian;
 pub mod ledger;
+pub mod logger;
 pub mod mint;
 pub mod packet;
 pub mod plan;
@@ -18,7 +19,6 @@ pub mod recorder;
 pub mod result;
 pub mod signature;
 pub mod streamer;
-pub mod subscribers;
 pub mod transaction;
 extern crate bincode;
 extern crate byteorder;