Tests are failing when compiled with MPI support

[antoscha]

1 - demoMinimizer (Failed)
3 - DemoGaussSim (Failed)
8 - PaulTest4 (Failed)
10 - Quad1F (Failed)

Output:
----------------------------------------------------------
Info --> MPIProcess::StartMPI: Start MPI on #0 processor
Info --> MPIProcess::StartMPI: Start MPI on #1 processor
Error --> MPIProcess::MPIProcess: more processors than elements!
Error --> MPIProcess::MPIProcess: more processors than elements!
--------------------------------------------------------------------------
MPI_ABORT was invoked on rank 0 in communicator MPI_COMM_WORLD
with errorcode -1.

NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.
You may or may not see output from other processes, depending on
exactly when Open MPI kills them.
--------------------------------------------------------------------------
[a-node:189820] 1 more process has sent help message help-mpi-api.txt / mpi-abort
[a-node:189820] Set MCA parameter "orte_base_help_aggregate" to 0 to see all help / error messages
<end of output>