Segregated some methods in a service
Merge branch 'master' of https://github.com/mladenny/5leva-backend.git

Conflicts:
	FiveLeva/src/main/java/eu/fiveleva/backend/controllers/HomeController.java
	FiveLeva/src/main/java/eu/fiveleva/backend/service/jpa/DiscountServiceImpl.java
Merge branch 'master' of https://github.com/mladenny/5leva-backend.git

Conflicts:
	FiveLeva/src/main/java/eu/fiveleva/backend/controllers/HomeController.java