git rid of some warnings

CMakeModules/astyle.cmake

common/cpp/src/data_structs/data_structs.cpp

common/cpp/src/json_parser/CMakeLists.txt

consumer/api/cpp/src/tcp_consumer_client.cpp

consumer/api/cpp/unittests/test_consumer_impl.cpp

consumer/api/python/CMakeLists_Linux.cmake

consumer/api/python/asapo_consumer.pyx.in

consumer/api/python/setup.py.in

...ples/producer/dummy-data-producer/dummy_data_producer.cpp

producer/api/cpp/include/asapo/producer/producer.h

producer/api/python/CMakeLists_Linux.cmake

producer/api/python/asapo_producer.pyx.in

producer/api/python/setup.py.in

.../request_handler/receiver_data_server_request_handler.cpp

...utomatic/producer/beamtime_metadata/beamtime_metadata.cpp