moved the ClinicRepository into some separate repos

...ain/java/org/springframework/samples/petclinic/Owner.java

...ngframework/samples/petclinic/aspects/UsageLogAspect.java

...amework/samples/petclinic/repository/OwnerRepository.java

...framework/samples/petclinic/repository/PetRepository.java

...framework/samples/petclinic/repository/VetRepository.java

...amework/samples/petclinic/repository/VisitRepository.java

...amples/petclinic/repository/jdbc/JdbcClinicImplMBean.java

...es/petclinic/repository/jdbc/JdbcOwnerRepositoryImpl.java

...gframework/samples/petclinic/repository/jdbc/JdbcPet.java

...ples/petclinic/repository/jdbc/JdbcPetRepositoryImpl.java

...k/samples/petclinic/repository/jdbc/JdbcPetRowMapper.java

...ples/petclinic/repository/jdbc/JdbcVetRepositoryImpl.java

...es/petclinic/repository/jdbc/JdbcVisitRepositoryImpl.java

...ework/samples/petclinic/repository/jdbc/package-info.java

...ework/samples/petclinic/repository/jpa/JpaClinicImpl.java

...ples/petclinic/repository/jpa/JpaOwnerRepositoryImpl.java

...rk/samples/petclinic/repository/jpa/SpringDataClinic.java

...s/petclinic/repository/jpa/SpringDataOwnerRepository.java

...mework/samples/petclinic/repository/jpa/package-info.java

...ingframework/samples/petclinic/service/ClinicService.java