Rename and refactor TurbulentViscosityCumulantK17CompChim_Device and add missing exception for kernel call with TurbulenceModel::None

it reduced the performance by > 5%
https://git.rz.tu-bs.de/m.schoenherr/VirtualFluids_dev/-/issues/17+

fix linker problems

Moved Simulation::init() to Constructor, Simulation:free() to destructor and exchanged some members of Simulation with unique_ptr instances.

Added SG model to StressBC, added Timer-class which wraps existing timer in Simulation, added round-off correction in TurbulentViscosityCumulantK17CompChim_Device (testing ongoing)