Split IO and network crates (#1828)

* Abort on panic

* Split IO and network crates

* Restore panic handler

* Fixed doc tests

signer/Cargo.toml

@@ -17,6 +17,7 @@ log = "0.3"
 env_logger = "0.3"
 ws = { git = "https://github.com/ethcore/ws-rs.git", branch = "stable" }
 ethcore-util = { path = "../util" }
+ethcore-io = { path = "../util/io" }
 ethcore-rpc = { path = "../rpc" }
 parity-dapps-signer = { git = "https://github.com/ethcore/parity-ui.git", version = "0.6", optional = true}
 

signer/src/lib.rs

@@ -48,6 +48,7 @@ extern crate env_logger;
 extern crate rand;
 
 extern crate ethcore_util as util;
+extern crate ethcore_io as io;
 extern crate ethcore_rpc as rpc;
 extern crate jsonrpc_core;
 extern crate ws;

signer/src/ws_server/mod.rs

@@ -24,7 +24,7 @@ use std::default::Default;
 use std::ops::Drop;
 use std::sync::Arc;
 use std::net::SocketAddr;
-use util::panics::{PanicHandler, OnPanicListener, MayPanic};
+use io::{PanicHandler, OnPanicListener, MayPanic};
 use jsonrpc_core::{IoHandler, IoDelegate};
 use rpc::{Extendable, ConfirmationsQueue};