im-online module should report offences (#527)

* im-online module should report offences

* Bump runtime

polkadot/runtime/src/lib.rs

@@ -99,7 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 1,
-	spec_version: 1011,
+	spec_version: 1012,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -437,7 +437,7 @@ impl im_online::Trait for Runtime {
 	type Event = Event;
 	type Call = Call;
 	type SubmitTransaction = SubmitTransaction;
-	type ReportUnresponsiveness = ();
+	type ReportUnresponsiveness = Offences;
 }
 
 impl grandpa::Trait for Runtime {