added dummy event detector

CMakeLists.txt

common/cpp/include/common/net_server.h.h

common/cpp/include/common/networking.h

common/cpp/include/common/os.h

common/cpp/unittests/test_common.cpp

producer/api/CMakeLists.txt

producer/api/include/producer/producer.h

producer/api/include/producer/yieldable.h

producer/api/src/pointer_queue.cpp

producer/api/src/pointer_queue.h

producer/api/src/producer.cpp

producer/api/src/producer_impl.cpp

producer/api/src/producer_impl.h

producer/api/unittests/test_producer.cpp

producer/dummy-event-detector-cpp/CMakeLists.txt

producer/dummy-event-detector-cpp/src/dummy_detector.cpp

producer/dummy-event-detector-cpp/src/dummy_detector.h

producer/dummy-event-detector-cpp/src/dummy_yieldable.cpp

producer/dummy-event-detector-cpp/src/dummy_yieldable.h

producer/dummy-event-detector-cpp/src/main.cpp