Merge branch 'wp09-geometric-constraint' into 'develop'

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

...tilities/parallelProcessing/decomposePar/decomposeParDict

...s/surface/surfaceRedistributePar/surfaceRedistributePar.C

src/mesh/snappyHexMesh/meshRefinement/meshRefinement.C

src/parallel/decompose/decomposition.dox

src/parallel/decompose/decompositionMethods/Make/files

src/parallel/decompose/decompositionMethods/Make/options

...traints/decompositionConstraint/decompositionConstraint.C

...traints/decompositionConstraint/decompositionConstraint.H

.../decompositionConstraints/geometric/geometricConstraint.C

.../decompositionConstraints/geometric/geometricConstraint.H

...onConstraints/preserveBaffles/preserveBafflesConstraint.C

...onConstraints/preserveBaffles/preserveBafflesConstraint.H

...nstraints/preserveFaceZones/preserveFaceZonesConstraint.C

...nstraints/preserveFaceZones/preserveFaceZonesConstraint.H

...onConstraints/preservePatches/preservePatchesConstraint.C

...onConstraints/preservePatches/preservePatchesConstraint.H

...nstraints/refinementHistory/refinementHistoryConstraint.C

...nstraints/refinementHistory/refinementHistoryConstraint.H

...ngleProcessorFaceSets/singleProcessorFaceSetsConstraint.C