Merge branch 'feature-build-granularity' into 'develop'

...face/surfaceBooleanFeatures/PolyhedronReader/Make/options

src/Pstream/Allwclean

src/Pstream/Allwclean-mpi

src/Pstream/Allwmake

src/Pstream/Allwmake-mpi

src/Pstream/mpi/Make/files

src/Pstream/mpi/Make/options

src/parallel/decompose/Allwclean

src/parallel/decompose/Allwclean-mpi

src/parallel/decompose/Allwmake

src/parallel/decompose/Allwmake-mpi

src/parallel/decompose/ptscotchDecomp/Make/files

src/parallel/decompose/ptscotchDecomp/Make/options

src/parallel/decompose/scotchDecomp/Make/options

wmake/rules/General/CGAL

wmake/rules/General/cgal-header-only

wmake/rules/General/cgal-headers-only

wmake/rules/General/cgal-mpfr

wmake/rules/General/cgal-no-mpfr

wmake/rules/General/no-cgal