Merge pull request #81 in ASAPO/asapo from feature_ASAPO-107-file-transfer-service to develop

* commit '2adfdde9':
  update docs
  check folder in folder token request, refactor authorizer and tests
  refactor consumer
  consumer receives files from fts
  start updating data broker
  update curl http client
  add integration tests for file transfer service
  file transfer service
  start working at authorizer