Project MPI/Package mvapich2: updated to current version 2.1a.
- The current version is based on mpich-3.1.2

 Changes to be committed:
	modified:   mpi/packages/mvapich2.package
Project deal.II/default configuration file: Moved PROCS a couple lines to top.

 Changes to be committed:
	modified:   project-deal.II.cfg