Correct cases for the new version of settlingFoam.

tutorials/multiphase/settlingFoam/ras/dahl/0/U

tutorials/multiphase/settlingFoam/ras/dahl/0/alpha

tutorials/multiphase/settlingFoam/ras/dahl/0/epsilon

tutorials/multiphase/settlingFoam/ras/dahl/0/k

tutorials/multiphase/settlingFoam/ras/dahl/0/p

tutorials/multiphase/settlingFoam/ras/dahl/constant/g

...ase/settlingFoam/ras/dahl/constant/polyMesh/blockMeshDict

...ltiphase/settlingFoam/ras/dahl/constant/polyMesh/boundary

...rials/multiphase/settlingFoam/ras/dahl/system/controlDict

tutorials/multiphase/settlingFoam/ras/dahl/system/fvSolution

tutorials/multiphase/settlingFoam/ras/tank3D/0/U

tutorials/multiphase/settlingFoam/ras/tank3D/0/alpha

tutorials/multiphase/settlingFoam/ras/tank3D/0/epsilon

tutorials/multiphase/settlingFoam/ras/tank3D/0/k

tutorials/multiphase/settlingFoam/ras/tank3D/0/p

tutorials/multiphase/settlingFoam/ras/tank3D/Allrun

...iphase/settlingFoam/ras/tank3D/constant/polyMesh/boundary

...ials/multiphase/settlingFoam/ras/tank3D/system/fvSolution