filegen producer - multisource datasets

producer/event_monitor_producer/src/eventmon_config.cpp

producer/event_monitor_producer/src/eventmon_config.h

producer/event_monitor_producer/src/main_eventmon.cpp

...event_monitor_producer/unittests/mock_eventmon_config.cpp

...event_monitor_producer/unittests/test_eventmon_config.cpp

tests/automatic/full_chain/CMakeLists.txt

...ull_chain/simple_chain_filegen_multisource/CMakeLists.txt

...ull_chain/simple_chain_filegen_multisource/check_linux.sh

..._chain/simple_chain_filegen_multisource/check_windows.bat

.../full_chain/simple_chain_filegen_multisource/test.json.in