Move common methods from ZMQ_Rep into ZMQ_AbstractSocketThread
Remove fakeReceive and add ZMQ_Req to interact with ZMQ_Rep
Comment out info print statements to reduce clutter for now
Make #action protected (instead of public slot)
Move ZMQ help methods to a new class called ZMQ_Helper

--HG--
extra : amend_source : 73927dc5a3a417b3815015e94cd5db8261bdc944
Move ZMQ_Req and ZMQ_Rep into a single file

--HG--
rename : src/zmq_rep.h => src/zmq_sockets.h
Make start and stop happen automatically
Reorganize tests and rename data in receive signal to message