ENH: Consistency updates after Foundation merge and code tidying

applications/solvers/combustion/XiFoam/XiDyMFoam/pEqn.H

applications/solvers/heatTransfer/thermoFoam/setAlphaEff.H

...s/utilities/mesh/generation/snappyHexMesh/snappyHexMesh.C

...tions/utilities/mesh/manipulation/subsetMesh/subsetMesh.C

...ns/utilities/parallelProcessing/decomposePar/readFields.C

...ns/utilities/parallelProcessing/decomposePar/readFields.H

...allelProcessing/redistributePar/parFvFieldReconstructor.H

...edistributePar/parFvFieldReconstructorReconstructFields.C

...elProcessing/redistributePar/parLagrangianRedistributor.C

...tributePar/parLagrangianRedistributorRedistributeFields.C

...ties/parallelProcessing/redistributePar/redistributePar.C

...ostProcessing/dataConversion/foamToEnsight/ensightField.C

...ostProcessing/dataConversion/foamToEnsight/ensightField.H

...stProcessing/dataConversion/foamToEnsight/foamToEnsight.C

...ities/postProcessing/dataConversion/foamToGMV/gmvOutput.H

.../postProcessing/dataConversion/foamToVTK/internalWriter.H

...essing/dataConversion/foamToVTK/internalWriterTemplates.C

...ities/postProcessing/dataConversion/foamToVTK/writeFuns.H

...tProcessing/dataConversion/foamToVTK/writeFunsTemplates.C

...ing/graphics/PVReaders/PVFoamReader/vtkPVFoam/vtkPVFoam.H