Merge branch 'testing'

base/Dockerfile

base/vault.repo

client/vos_storage

transfer_service/config/vos_ts.conf.sample

transfer_service/db_connector.py

transfer_service/doi_executor.py

transfer_service/import_executor.py

transfer_service/retrieve_executor.py

transfer_service/storage_rpc_server.py

transfer_service/store_executor.py

transfer_service/tape_client.py

transfer_service/tape_pool.py

transfer_service/tape_task.py