ENH: upgrade from NamedEnum to Enum (issue #515)

...unction/alphatWallBoilingWallFunctionFvPatchScalarField.C

...unction/alphatWallBoilingWallFunctionFvPatchScalarField.H

...ilities/mesh/generation/extrude/extrudeMesh/extrudeMesh.C

...tilities/mesh/generation/extrude2DMesh/extrude2DMeshApp.C

...alVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.C

...alVoronoiMesh/conformalVoronoiMesh/conformalVoronoiMesh.H

...oiMesh/conformalVoronoiMesh/indexedCell/indexedCellEnum.C

...oiMesh/conformalVoronoiMesh/indexedCell/indexedCellEnum.H

...sh/conformalVoronoiMesh/indexedVertex/indexedVertexEnum.C

...sh/conformalVoronoiMesh/indexedVertex/indexedVertexEnum.H

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

...s/postProcessing/miscellaneous/postChannel/channelIndex.C

...s/postProcessing/miscellaneous/postChannel/channelIndex.H

...lities/preProcessing/createZeroDirectory/solverTemplate.C

...lities/preProcessing/createZeroDirectory/solverTemplate.H

...ons/utilities/preProcessing/setAlphaField/setAlphaField.C

...wallFunctionTable/tabulatedWallFunction/general/general.C

...wallFunctionTable/tabulatedWallFunction/general/general.H

src/OSspecific/POSIX/fileMonitor.C

src/OSspecific/POSIX/fileMonitor.H