Squashed commits:

[cf01eebc] Change GridPath in config

Also rename variables for length and velocity in app to make more clear whether SI units
 or LB units are used.

(cherry picked from commit 728c8ed00d4cd9d77d1d15a581c90c5930c37ee4)

error introduced in ff49c380

move some lines around

(Pipeline #4731)

due to the changes in the kernel factory the includes and calls in the numerical test framework are also changed

changed the naming of the missing Classes (Strategies) and added the chimera kernel from the open source code

simplified the kernel factory infrastructure by omit the enum (Kerneltype) -> adding new kernels to the factory should be straightforward now

Fix various msvc compiler warnings. With msvc the compiler flags are explicit passed to nvcc with -Xcompiler.