splitting part of util into smaller crates (#4956)

* split path module from util

* moved RotatingLogger from util to logger crate

* fix tests

* fix tests

* use only one version of ansi_term crate

util/network/src/host.rs

@@ -40,7 +40,7 @@ use node_table::*;
 use stats::NetworkStats;
 use discovery::{Discovery, TableUpdates, NodeEntry};
 use ip_utils::{map_external_address, select_public_address};
-use util::path::restrict_permissions_owner;
+use path::restrict_permissions_owner;
 use parking_lot::{Mutex, RwLock};
 
 type Slab<T> = ::slab::Slab<T, usize>;

util/network/src/lib.rs

@@ -71,6 +71,8 @@ extern crate ethkey;
 extern crate ethcrypto as crypto;
 extern crate rlp;
 extern crate bytes;
+extern crate path;
+extern crate ethcore_logger;
 
 #[macro_use]
 extern crate log;

util/network/src/tests.rs

@@ -98,7 +98,7 @@ fn net_service() {
 
 #[test]
 fn net_connect() {
-	::util::log::init_log();
+	::ethcore_logger::init_log();
 	let key1 = Random.generate().unwrap();
 	let mut config1 = NetworkConfiguration::new_local();
 	config1.use_secret = Some(key1.secret().clone());