Reworked zmq_common test: one test case per function, one test per check
Added unit test for ZStatus class. Update the class code. Removed unneeded code.
Cosmetical changes in Libjson.
Merge branch 'build_with_zeromq_and_jsoncpp' of github.com:/SergeyVasiliev/torque into build_with_zeromq_and_jsoncpp

Conflicts:
	src/include/MomStatusMessage.hpp
Added unit test for zmq_process_mom_update server unit. Modified the processor logic to properly handle error cases.
Properly calculate coverage for C++ code.