391 Notification refactorings (#441)

* Refactor notifications to allow easier plugins

* Notification refactoring

* Formatting

* Move news to NewsService; cleanup of events

* More refactoring; added send email out for news item and the template

* Formatting

* Formatting

app/Events/CronWeekly.php

@@ -2,20 +2,12 @@
 
 namespace App\Events;
 
-use Illuminate\Foundation\Events\Dispatchable;
-use Illuminate\Queue\SerializesModels;
-
 /**
  * This event is dispatched when the weekly cron is run
  * It happens after all of the default nightly tasks
  */
-class CronWeekly
+class CronWeekly extends BaseEvent
 {
-    use Dispatchable, SerializesModels;
-
-    /**
-     * CronWeekly constructor.
-     */
     public function __construct()
     {
     }