Add missing hashes.
Merge ROLLNETWORK make var into ROLLMPI.  For consistency, allow ROLLMPI to
include a version similar to ROLLCOMPILER.
Add required module load commands to package modulefiles.
Change default MPI.
Adapt to new openmpi.
Revert to v1.3 of apbs--v1.4 is buggy.

Resolves APS-29.
resolve master feature/APS-22-namd-2.10 conflicts