* nua: moved contents of test_s2.[hc] to check_nua.[hc]
  Ignore-this: f53929b29092e2d62e661fc40397492e



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12422 d0543943-73ff-0310-b7d9-9358b9ac24b2