for better usability --> autocomplete

BBSlip either has some bug left (that I couldnt find so far) or is just not suitable for very turbulent flows (BoundaryLayer crashes due to BBSlip currently). So dont use BBSlip for now!!

To be used in StressBC which gets improved results for q<0.5. q=0.5 still set as default argument for all other BCs

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