Instructions for zmq ctrl api test program

Dependencies boost, zmq (and cpp binding through zmq.hpp)

Build instruction (make sure your in the directory of this file)
* mkdir build
* cd build
* cmake ../
* make

Run
* make sure the ODR-DABMOD is started and that zmq ctrl api is enabled
* make sure the zmq endpoint matches (see ctrl_test.cpp)
* run the ctrl_test