This reverts commit 95bd802f.

by reading the local address from the last connection and reusing it
in the next one, to avoid OS allocating a new port each time

Co-authored-by: EC2 Default User <ec2-user@ip-172-31-10-101.us-east-2.compute.internal>

* Fix an issue with client filtering tests. Direct connected devices were skipping filtering test number 2

* Version 1.2.17

---------
Co-authored-by: EC2 Default User <ec2-user@ip-172-31-10-101.us-east-2.compute.internal>

Co-authored-by: John Selbie <john@selbie.com>

Thank you!

Co-authored-by: John Selbie <john@selbie.com>

fixed a build break on Mac with Xcode 10

* add docker image + update the README files

* made it possible to compile with openssl 1.1

* Initiated variables to something default

* allow multiple port binds for UDP

* adding --reuseaddr command line switch for setting the SO_REUSEADDR option

* initializing fReuseAddr and modifying help page