Merged all transfer function like read, write, recv and send to one

* commit '1d9f6df9':
  fix windows tests
  config files for broker
  finished config files for c++ code
  read string from file
  Start working at configuration files

* commit '98b4362f':
  more work on Error
  fix memory
  fix for windows
  add Error class

Merge pull request #12 in HIDRA2/hidra2 from feature/HIDRA2-16-parallel-off-site-data-analysis to develop

* commit '365d5b6c': (37 commits)
  Fix getnext_broker example
  improved broker performance
  fix for windows
  update to use broker with mulithreading
  add example for get_next via broker, refactor
  fix for windows
  add integration test for getnext from broker
  use exteranal libcurl
  curl client
  refactoring
  fix tests
  fix
  more work on server databroker
  fix
  start server databroker
  fix windows test
  add nomem option for script tests
  integration test for get_next
  refactor
  implemented get_next
  ...