adding project structure and a first approach of the RESTful API
adding hibernate validator dependency
adding persistence configuration using hibernate and H2 as DB engine
Adding base repository implementation for hibernate.
Adding base entity for hibernate mappings.
Adding a first approach of the airport repository implementation and entity mapping.
code reformatting
refactored base entity class, primary key should be defined in entity class instead on base entity
ignoring version from JSON serialization
refactored Airport entity and adding City entity