Modified more Description entries in utilities for documenting purposes

...ons/utilities/mesh/advanced/refineHexMesh/refineHexMesh.C

...utilities/mesh/advanced/refineWallLayer/refineWallLayer.C

applications/utilities/mesh/advanced/splitCells/splitCells.C

applications/utilities/mesh/conversion/mshToFoam/mshToFoam.C

...mesh/conversion/netgenNeutralToFoam/netgenNeutralToFoam.C

.../utilities/mesh/conversion/polyDualMesh/polyDualMeshApp.C

...tions/utilities/mesh/conversion/star4ToFoam/star4ToFoam.C

...ons/utilities/mesh/conversion/tetgenToFoam/tetgenToFoam.C

...tions/utilities/mesh/generation/extrudeMesh/extrudeMesh.C

...utilities/mesh/manipulation/createBaffles/createBaffles.C

...ons/utilities/mesh/manipulation/flattenMesh/flattenMesh.C

...ons/utilities/mesh/manipulation/insideCells/insideCells.C

...sh/manipulation/mergeOrSplitBaffles/mergeOrSplitBaffles.C

...tions/utilities/mesh/manipulation/mirrorMesh/mirrorMesh.C

...tions/utilities/mesh/manipulation/refineMesh/refineMesh.C

...ies/mesh/manipulation/splitMeshRegions/splitMeshRegions.C

...ities/mesh/manipulation/transformPoints/transformPoints.C

...arallelProcessing/reconstructParMesh/reconstructParMesh.C

...allelProcessing/redistributeMeshPar/redistributeMeshPar.C

...ities/postProcessing/dataConversion/foamToGMV/foamToGMV.C