initial commit of test suite

test/CMakeLists.txt

test/mpi/CMakeLists.txt

test/other/CMakeLists.txt

test/other/init/test_arh2.dat.3d

test/other/init/test_arh3.dat.2d

test/other/init/test_basisFct.dat.1d

test/other/init/test_basisFct.dat.2d

test/other/init/test_basisFct.dat.3d

test/other/init/test_bg_mesh.dat

test/other/init/test_distance.dat

test/other/init/test_expr.dat.1d

test/other/init/test_expr.dat.2d

test/other/init/test_expr.dat.3d

test/other/init/test_nanoflann.dat

test/other/init/test_problemStat.dat.1d

test/other/init/test_problemStat.dat.2d

test/other/init/test_problemStat.dat.3d

test/other/init/test_redistancing.dat

test/other/init/test_refinement.dat

test/other/init/test_repa.dat.2d