Working Compiler Library combinations

here we categorize by compiler and Mumps version.

Gfortran, without MKL

All passed (6/6 tests)

OS	Compiler	MUMPS	OpenMPI	Git rev.
Ubuntu 16.04	6.5.0	4.10.0	1.10.2	c4f42c9bb8d
Ubuntu 18.04	7.3.0	5.1.2	2.1.1	c4f42c9bb8d

Gfortran, with MKL

Intel ifort