BernardCells: tutorial demonstrating Bernard cells

...heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/T

...heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/U

...ransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/alphat

...ansfer/buoyantBoussinesqPimpleFoam/BernardCells/0/epsilon

...heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/k

...atTransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/nut

...heatTransfer/buoyantBoussinesqPimpleFoam/BernardCells/0/p

...Transfer/buoyantBoussinesqPimpleFoam/BernardCells/0/p_rgh

...nsfer/buoyantBoussinesqPimpleFoam/BernardCells/constant/g

...inesqPimpleFoam/BernardCells/constant/transportProperties

...nesqPimpleFoam/BernardCells/constant/turbulenceProperties

...antBoussinesqPimpleFoam/BernardCells/system/blockMeshDict

...oyantBoussinesqPimpleFoam/BernardCells/system/controlDict

...buoyantBoussinesqPimpleFoam/BernardCells/system/fvSchemes

...uoyantBoussinesqPimpleFoam/BernardCells/system/fvSolution

...buoyantBoussinesqPimpleFoam/BernardCells/system/residuals

...oyantBoussinesqPimpleFoam/BernardCells/system/streamlines