Merge changes I082f82ac,I951224b0,Icecd1b21,Ifafa74b6,I9b384c72, ...

* changes:
  Speed up functional tests execution
  Clean maven files
  Bump upstream dependencies to Argon
  Use NetworkTransactionService to access to the DS
  Remove close method from RequestProcessor
  Reimplement RequestProcessor
  Remove some forced transaction closure
  Change getter in ConvertORTopoToTapiFullTopo
  Update tapi device notification functional test