OPM/opm-core — pull request #532 by blattms (2014-03-19 20:50:36+00:00)
Title: Added a test for the linear solver interface.

This test sets up a simple laplace problem and solves it with the available
solvers. It assumes that either dune-istl or UMFPack is present, which I think is
safe to assume.

If it is not safe, then I need to add another patch.