Add support for logger

.gitmodules

CMakeLists.txt

extern/spdlog

src/ARBDException.h

src/CMakeLists.txt

src/GPUManager.cpp

src/Proxy.h

src/SignalManager.cpp

src/SignalManager.h

src/SimSystem.cpp

src/Tests/CMakeLists.txt

src/Tests/catch_boiler.h