Add beginnings of a CMakeLists.txt file to MessageService tests (not called).
Add beginnings of a CMakeLists.txt file to MessageService tests (not called).

gartung/fnal-messagefacility,gartung/fnal-messagefacility,gartung/fnal-messagefacility,gartung/fnal-messagefacility,gartung/fnal-messagefacility,gartung/fnal-messagefacility