Refactor stateActions for better overview.

app/src/actions/notificationActions.js

@@ -0,0 +1,16 @@
+export const addNotification = (notification) =>
+	({
+		type    : 'ADD_NOTIFICATION',
+		payload : { notification }
+	});
+
+export const removeNotification = (notificationId) =>
+	({
+		type    : 'REMOVE_NOTIFICATION',
+		payload : { notificationId }
+	});
+
+export const removeAllNotifications = () =>
+	({
+		type : 'REMOVE_ALL_NOTIFICATIONS'
+	});