Merge pull request #152 in ASAPO/asapo from bugfix_ASAPO-143-return-service-unavailable-when-cannot-connect-to-authorizer to develop

* commit 'b3325e73':
  update changelog
  return correct error type

* commit '4bb2704c': (25 commits)
  updated versions and changelog
  fix memleak
  fix tests
  added tests and size limits
  apply astyle
  fix win
  fix
  fix
  exclude mongodb from coverage
  exclude mongodb from coverage
  exclude mongodb from coverage
  exclude mongodb from coverage
  exclude mongodb from coverage
  exclude mongodb from coverage
  exclude mongodb from coverage
  fix
  fix
  fix test
  broker cov
  fix receiver
  ...

* commit '57503e9f':
  astyle-changes to default branch

* commit '73e85eb9':
  fix test
  update broker protocol
  speed-up cov tests
  remove one mem test for libfabric
  fix test
  fix bug with finished stream, add finished stream to dummy producer
  get rid of some compiler warnings