o Allow either production or debug version of the proxy to be   selected;
o Allow either production or debug version of the proxy to be
  selected;

o Move useful function randomize_test_sockets from starstop1 in
  here.

sippy/rtpproxy,dsanders11/rtpproxy,dsanders11/rtpproxy,dsanders11/rtpproxy,sippy/rtpproxy,sippy/rtpproxy