ENH: add primitives support for mixed precision (#1086)

etc/bashrc

etc/config.csh/aliases

etc/config.csh/unset

etc/config.sh/aliases

etc/config.sh/unset

etc/cshrc

src/OpenFOAM/Make/files

...M/fields/Fields/Field/PrecisionAdaptor/PrecisionAdaptor.H

src/OpenFOAM/fields/Fields/primitiveFieldsFwd.H

src/OpenFOAM/global/global.Cver

src/OpenFOAM/primitives/Scalar/Scalar.C

src/OpenFOAM/primitives/Scalar/Scalar.H

src/OpenFOAM/primitives/Scalar/scalar/scalar.H

src/OpenFOAM/primitives/Tensor/floatTensor/floatTensor.H

src/OpenFOAM/primitives/Vector/floatVector/floatVector.H

src/Pstream/mpi/UPstream.C

src/dummyThirdParty/metisDecomp/metis.h