in with the new

src/core/plugins/layout/index.js

@@ -0,0 +1,15 @@
+import reducers from "./reducers"
+import * as actions from "./actions"
+import * as selectors from "./selectors"
+
+export default function() {
+  return {
+    statePlugins: {
+      layout: {
+        reducers,
+        actions,
+        selectors
+      }
+    }
+  }
+}