Merge pull request #91 in ASAPO/asapo from receiver_refactoring to develop

* commit '81b43062':
  [Receiver] Fixed coverage tests
  [Receiver] Fixed missing cpp files in RDS test
  [Receiver] Fixed Online <-> Offline name mixup
  [Producer] renamed receiver_address to discovery_service_endpoint
  [Receiver] Fixed use after free bug
  [Receiver] Added the possibility the easily add new type of NetServers
  [RDS] Added some folders