for better usability --> autocomplete

Exchange not existing Kernel "CumulantK17CompChimRedesigned" with "CumulantK17" in DrivenCavity App.

- remove setMaxLevel
- use new Logger
- use filesystem for config path

same as in open source

now the same names as in open source

The boundary conditions were in the wrong order. This caused effects at the edges of the fluid domain, which caused the the simulation to crash.