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

Tagged fluid nodes where only removed from fluidNodeIndices. If tagged nodes conincided with border nodes the collision was valled twice for these nodes. Nodes lying on the border are now removed from the lists of tagged nodes.

shift KernelUtilities.h + ScalingHelperFuncitons.h + ChimeraTransformation.h to a new location;
do some refactoring

Unnecessary now since numberOfLBnodes is long long