Fix ipc compilation and add ipc feature to test targets (#1902)

* fix compilation and add it to the ci run

* no separator?

* use quotes and spaces

parity/run.rs

@@ -30,8 +30,6 @@ use ethcore::account_provider::AccountProvider;
 use ethcore::miner::{Miner, MinerService, ExternalMiner, MinerOptions};
 use ethsync::SyncConfig;
 use informant::Informant;
-#[cfg(feature="ipc")]
-use ethcore::client::ChainNotify;
 
 use rpc::{HttpServer, IpcServer, HttpConfiguration, IpcConfiguration};
 use signer::SignerServer;