Merge pull request #705 from andlaus/alugrid_dune_2.4

FindAlugrid.cmake: do not try to include the whole grid

cmake/Modules/Finddune-alugrid.cmake

@@ -35,10 +35,8 @@ find_opm_package (
   ""
 
   # test program
-"#include <dune/alugrid/grid.hh>
+"#include <dune/alugrid/2d/indexsets.hh>
 int main (void) {
-   Dune::ALUGrid</*dim=*/2, /*dimWorld=*/2, Dune::simplex, Dune::nonconforming> grid;
-   grid.leafGridView().size(/*codim=*/0);
    return 0;
 }
 "