MPC file in order to compile this TAO test
    * test/interop/bidir/src/tao/BiDirectional.mpc:
      Added.
Use correct namespace and removed ancient exception macros which did expand to nothing
    * test/interop/bidir/src/tao/BiDirTest_i.cpp:
    * test/interop/bidir/src/tao/BiDirTest_i.h:
Make these files compiling by using the correct namespace
    * test/interop/bidir/src/tao/client.cpp:
    * test/interop/bidir/src/tao/server.cpp: