Refactoring for Windows, all test pass

CMakeLists.txt

CMakeModules/astyle.cmake

CMakeModules/testing_cpp.cmake

common/cpp/include/system_wrappers/io.h

common/cpp/include/system_wrappers/system_io.h

common/cpp/src/system_io.cpp

common/cpp/src/system_io_linux.cpp

common/cpp/src/system_io_windows.cpp

examples/worker/process_folder/CMakeLists.txt

examples/worker/process_folder/check_linux.sh

examples/worker/process_folder/check_windows.bat

examples/worker/process_folder/process_folder.cpp

producer/CMakeLists.txt

receiver/CMakeLists.txt

tests/common/cpp/src/testing.cpp

tests/system_io/read_file_content/cleanup_linux.sh

tests/system_io/read_file_content/cleanup_windows.bat

tests/system_io/read_file_content/read_file_content.cpp

tests/system_io/read_file_content/setup_linux.sh

tests/system_io/read_file_content/setup_windows.bat