Add timers for performance optimization

apps/gpu/LBM/ActuatorLine/ActuatorLine.cpp

apps/gpu/LBM/ActuatorLine/configActuatorLine.txt

src/gpu/VirtualFluids_GPU/Calculation/UpdateGrid27.cpp

src/gpu/VirtualFluids_GPU/Calculation/UpdateGrid27.h

src/gpu/VirtualFluids_GPU/Output/Timer.cpp

src/gpu/VirtualFluids_GPU/Output/Timer.h

.../VirtualFluids_GPU/PreCollisionInteractor/ActuatorFarm.cu

...u/VirtualFluids_GPU/PreCollisionInteractor/ActuatorFarm.h