S3 deliveries

• The S3 delivery must be registered using the API-endpoint 'register-delivery-s3' (see xxx). There, the S3 credentials and S3 key prefix of the requested delivery need to be specified. The S3 key prefix should be as specific as possible and must uniquely identify a single delivery on the S3 repository.
• Next, it is possible to work with the delivery in the same way as with the local (i.e. ZIP archive) delivery.
• When running a QC job, the 'unzip' module is replaced by the 's3_download' module, which creates a local temporary copy of the delivery files. At the end of the job, the local copy of the data is deleted.