updating tutorial cases to use new nut/mut wall function names

tutorials/combustion/dieselFoam/aachenBomb/0/mut

tutorials/combustion/engineFoam/kivaTest/-180/mut

tutorials/compressible/rhoPimpleFoam/angledDuct/0/mut

tutorials/compressible/rhoPisoFoam/ras/cavity/0/mut

...compressible/rhoPorousSimpleFoam/angledDuctImplicit/0/mut

tutorials/compressible/sonicFoam/ras/prism/0/mut

...ials/heatTransfer/buoyantBoussinesqPisoFoam/hotRoom/0/nut

...ls/heatTransfer/buoyantBoussinesqSimpleFoam/hotRoom/0/nut

...ansfer/buoyantBoussinesqSimpleFoam/iglooWithFridges/0/nut

tutorials/heatTransfer/buoyantPisoFoam/hotRoom/0/mut

tutorials/heatTransfer/buoyantSimpleFoam/hotRoom/0/mut

...ransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/mut

...er/buoyantSimpleRadiationFoam/hotRadiationRoomFvDOM/0/mut

tutorials/incompressible/MRFSimpleFoam/mixerVessel2D/0/nut

...s/incompressible/boundaryFoam/boundaryWallFunctions/0/nut

tutorials/incompressible/pimpleFoam/t-junction/0/nut

tutorials/incompressible/pisoFoam/ras/cavity/0/nut

tutorials/incompressible/simpleFoam/airFoil2D/0/nut

tutorials/incompressible/simpleFoam/motorBike/0/nut

tutorials/incompressible/simpleFoam/pitzDaily/0/nut