Do not expose sha3 from crypto

src/crypto.rs

@@ -2,8 +2,6 @@ use hash::*;
 use secp256k1::{key, Secp256k1};
 use rand::os::OsRng;
 
-pub use ::sha3::Hashable;
-
 pub type Secret = H256;
 pub type Public = H512;
 pub type Signature = H520;

src/network/discovery.rs

@@ -8,6 +8,7 @@ use std::ops::{DerefMut};
 use mio::*;
 use mio::udp::*;
 use hash::*;
+use sha3::Hashable;
 use crypto::*;
 use network::host::*;
 

src/network/handshake.rs

@@ -1,6 +1,7 @@
 use mio::*;
 use mio::tcp::*;
 use hash::*;
+use sha3::Hashable;
 use bytes::Bytes;
 use crypto::*;
 use crypto;

src/network/host.rs

@@ -8,6 +8,7 @@ use mio::tcp::*;
 use mio::udp::*;
 use hash::*;
 use crypto::*;
+use sha3::Hashable;
 use rlp::*;
 use time::Tm;
 use network::handshake::Handshake;