TASK-TA19: Added delete methods to DAO API. Required by integration tests
Merge pull request #8 from project-prototypes/TASK-TA19-dao-delete-methods

TASK-TA19: Added delete methods to DAO API. Required by integration tests
Integration test for Ingestion Service has been added. - US16 (Setup running environment)
Merge pull request #9 from project-prototypes/US16

Integration test for Ingestion Service has been added. - US16 (Setup running environment)
TASK-US13-DAO: DAO Impl with MyBatis
Merge pull request #7 from project-prototypes/TASK-US13-DAO

TASK-US13-DAO: DAO Impl with MyBatis
Moving service logic to resolver and converter