Allow to build without Zoltan when MPI is enabled - #1013

Allow to build without Zoltan when MPI is enabled#1013

hakonhagland wants to merge 2 commits into

OPM:masterOPM/opm-grid:masterfrom

hakonhagland:fix_no_zoltanhakonhagland/opm-grid:fix_no_zoltanCopy head branch name to clipboard