Merge branch 'xmachac-core-airpalne' into 'milestone-02'

core/openapi.yaml

...main/java/cz/muni/fi/pa165/core/data/domain/Airplane.java

.../java/cz/muni/fi/pa165/core/data/domain/AirplaneType.java

...cz/muni/fi/pa165/core/facade/airplane/AirplaneFacade.java

...uni/fi/pa165/core/facade/airplane/AirplaneFacadeImpl.java

...a165/core/facade/airplanetype/AirplaneTypeFacadeImpl.java

...n/java/cz/muni/fi/pa165/core/rest/AirplaneController.java

.../muni/fi/pa165/core/service/airplane/AirplaneService.java

...i/fi/pa165/core/service/airplane/AirplaneServiceImpl.java

...65/core/service/airplanetype/AirplaneTypeServiceImpl.java

...i/fi/pa165/core/service/airplane/AirplaneServiceTest.java

...65/core/service/airplanetype/AirplaneTypeServiceTest.java

pom.xml