Display the IP address on OS X as well
Display the IP address on OS X as well

On OS X, the console would previously print messages like this:
> Received connection request from client: 0x00007fff72cad6d0, port 62352
Now it prints messages like this:
> Received connection request from client: 127.0.0.1, port 62538

IBM-Bluemix/swift-helloworld,IBM-Bluemix/swift-helloworld