merge redundant functions (in KernelUtilities.h and DistributionHelper.cuh)
shift KernelUtilities.h + ScalingHelperFuncitons.h + ChimeraTransformation.h to a new location; do some refactoring
shift KernelUtilities.h + ScalingHelperFuncitons.h + ChimeraTransformation.h to a new location; do some refactoring