Enable transfers (#1443)

* Enable transfers

Also quash any conviction from Referendum Zero; Sudo was always
going to have been removed so lock-voting doesn't make sense in
this case.

* Add test for migration; remove superfluous comment.

* Fixes

* Bump

* Weekly elections

polkadot/runtime/kusama/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "kusama-runtime"
-version = "0.8.17"
+version = "0.8.18"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"

polkadot/runtime/kusama/src/lib.rs

@@ -87,7 +87,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 2,
-	spec_version: 2017,
+	spec_version: 2018,
 	impl_version: 0,
 	#[cfg(not(feature = "disable-runtime-api"))]
 	apis: RUNTIME_API_VERSIONS,