Updated UPstream::commsTypes to use the C++11 enum class

...BCs/mixedFixedValueSlip/mixedFixedValueSlipFvPatchField.H

applications/test/FixedList/Test-FixedList.C

...test/parallel-communicators/Test-parallel-communicators.C

...ons/test/parallel-nonBlocking/Test-parallel-nonBlocking.C

applications/test/parallel/Test-parallel.C

applications/test/router/Gather/Gather.C

...VoronoiMesh/conformalVoronoiMesh/conformalVoronoiMeshIO.C

...ations/utilities/mesh/manipulation/checkMesh/checkTools.C

...ons/utilities/mesh/manipulation/createPatch/createPatch.C

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

...ies/parallelProcessing/redistributePar/loadOrCreateMesh.C

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

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

...postProcessing/dataConversion/foamToEnsight/ensightMesh.C

...tions/utilities/preProcessing/mapFieldsPar/MapVolFields.H

src/OpenFOAM/containers/Lists/SortableList/ParSortableList.C

src/OpenFOAM/db/IOobjects/IOdictionary/IOdictionaryIO.C

src/OpenFOAM/db/IOstreams/Pstreams/PstreamBuffers.C

src/OpenFOAM/db/IOstreams/Pstreams/PstreamBuffers.H

src/OpenFOAM/db/IOstreams/Pstreams/UOPstream.C