Reorganized MpiMap class based upon Wolfgang Bangerth's suggestion.
Reorganized MpiMap class based upon Wolfgang Bangerth's suggestion.

birm/Elemental,mcopik/Elemental,sg0/Elemental,birm/Elemental,sg0/Elemental,birm/Elemental,mcopik/Elemental,mcopik/Elemental,sg0/Elemental,justusc/Elemental,mcopik/Elemental,birm/Elemental,justusc/Elemental,birm/Elemental,mcopik/Elemental,justusc/Elemental,justusc/Elemental,sg0/Elemental,birm/Elemental,justusc/Elemental,sg0/Elemental,sg0/Elemental,mcopik/Elemental,justusc/Elemental