merged with master and fixed some problems

src/main/java/mops/gruppen2/service/ControllerService.java

@@ -79,7 +79,6 @@ public class ControllerService {
             visibility1 = Visibility.PUBLIC;
         } else {
             visibility1 = Visibility.PRIVATE;
-            createInviteLink(groupId);
         }
 
         GroupType groupType;

src/main/java/mops/gruppen2/service/UserService.java

@@ -49,7 +49,7 @@ public class UserService {
             List<Event> events = groupService.getGroupEvents(groupIds);
             return groupService.projectEventList(events).get(0);
         } catch (IndexOutOfBoundsException e) {
-            throw new GroupNotFoundException(this.getClass().toString());
+            throw new GroupNotFoundException("@UserService");
         }
     }
 }