* Custom Media Types for REST * add test, add DTO, remove example of API versioning to make example simpler * client accept only that custom-media type * remove not needed new_line * leave custom media type on class level
* Custom Media Types for REST * add test, add DTO, remove example of API versioning to make example simpler * client accept only that custom-media type * remove not needed new_line * leave custom media type on class level