Merge remote-tracking branch 'origin/Services' into Services

src/main/java/mops/gruppen2/events/DeleteUserEvent.java

@@ -5,7 +5,7 @@ import lombok.Getter;
 @Getter
 public class DeleteUserEvent extends Event{
 
-    public DeleteUserEvent(long id, long gruppe_id, long user_id) {
+    public DeleteUserEvent(long id, long gruppe_id, String user_id) {
         super(id, gruppe_id, user_id);
     }
 }