MPI binding for MPI_COMM_DUP

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Neutral Binding
MPI_COMM_DUP(comm, newcomm) [ IN comm] communicator (handle) [ OUT newcomm] copy of comm (handle)

C Binding
int MPI_Comm_dup(MPI_Comm comm, MPI_Comm *newcomm)

FORTRAN Binding
MPI_COMM_DUP(COMM, NEWCOMM, IERROR) INTEGER COMM, NEWCOMM, IERROR

C++ Binding
(in the MPI:: namespace)
Intracomm Intracomm::Dup() const Intercomm Intercomm::Dup() const Cartcomm Cartcomm::Dup() const Graphcomm Graphcomm::Dup() const