resip/stack: Tuple: provide method for copying out sockaddr

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10710 ddefafc4-47db-0310-ae44-fa13212b10f2
resip/stack: TcpBaseTransport: ensure outgoing TCP-based connections originate from configured interface address

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@10711 ddefafc4-47db-0310-ae44-fa13212b10f2