Use librador Event instead of own.

src/main/java/nl/tudelft/queue/DevDatabaseLoader.java

...main/java/nl/tudelft/queue/controller/HomeController.java

src/main/java/nl/tudelft/queue/cqsr/Aggregate.java

src/main/java/nl/tudelft/queue/cqsr/Event.java

src/main/java/nl/tudelft/queue/model/Feedback.java

src/main/java/nl/tudelft/queue/model/RequestEvent.java

...lft/queue/model/events/feedback/FeedbackCreatedEvent.java

...lft/queue/model/events/feedback/FeedbackDeletedEvent.java

...elft/queue/model/events/feedback/FeedbackEditedEvent.java

...nl/tudelft/queue/model/events/feedback/FeedbackEvent.java

...ft/queue/model/events/feedback/FeedbackReportedEvent.java

.../nl/tudelft/queue/repository/FeedbackEventRepository.java

.../java/nl/tudelft/queue/repository/FeedbackRepository.java

src/main/java/nl/tudelft/queue/service/FeedbackService.java

src/main/java/nl/tudelft/queue/service/RequestService.java

src/main/java/nl/tudelft/queue/service/WebSocketService.java

src/main/resources/templates/home/feedback.html

src/main/resources/templates/simple-dialog.html

...va/nl/tudelft/queue/service/EditionStatusServiceTest.java

...st/java/nl/tudelft/queue/service/FeedbackServiceTest.java