Minor step towards making [MC,* ] class safe for grids where only a subset of the processes are in the grid.
Minor step towards making [MC,* ] class safe for grids where only a subset of the processes are in the grid.

mcopik/Elemental,sg0/Elemental,justusc/Elemental,mcopik/Elemental,justusc/Elemental,mcopik/Elemental,birm/Elemental,sg0/Elemental,mcopik/Elemental,justusc/Elemental,ahmadia/elemental,sg0/Elemental,ahmadia/elemental,sg0/Elemental,birm/Elemental,justusc/Elemental,birm/Elemental,justusc/Elemental,ahmadia/elemental,mcopik/Elemental,sg0/Elemental,birm/Elemental,mcopik/Elemental,sg0/Elemental,birm/Elemental,justusc/Elemental,birm/Elemental,ahmadia/elemental