Release 4.1.3

Improve replication querying and processing safety

  - update order for querying on status to reduce possibility
    of pulling duplicate replications immediately
  - return ReplicationStatus.FAILED from ACE tasklets instead
    of throwing runtime exceptions
  - reduce logging verbosity where applicable
  - additional tests for duplicate submissions and failure modes

  - update Replication to implement Comparable

general changes
  - use updated maven docker image in gitlab-ci.yml