implemented run-as maven 3.1 workspace dependency resolution

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
removed async-http-client and netty

bye-bye ahc, I got used to you, but never really liked you.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
plugged small HttpURLConnection leak

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>