add output for tests/examples/step-30

alternative output needed for some machines with avx2

tests/examples/step-40.output2

@@ -0,0 +1,41 @@
+Performing a 2D run with isotropic refinement...
+------------------------------------------------
+Cycle 0:
+   Number of active cells:       128
+   Number of degrees of freedom: 512
+   Writing grid to <grid-0.iso.svg>...
+   Writing solution to <sol-0.iso.vtu>...
+
+Cycle 1:
+   Number of active cells:       239
+   Number of degrees of freedom: 956
+   Writing grid to <grid-1.iso.svg>...
+   Writing solution to <sol-1.iso.vtu>...
+
+Cycle 2:
+   Number of active cells:       491
+   Number of degrees of freedom: 1964
+   Writing grid to <grid-2.iso.svg>...
+   Writing solution to <sol-2.iso.vtu>...
+
+
+Performing a 2D run with anisotropic refinement...
+--------------------------------------------------
+Cycle 0:
+   Number of active cells:       128
+   Number of degrees of freedom: 512
+   Writing grid to <grid-0.aniso.svg>...
+   Writing solution to <sol-0.aniso.vtu>...
+
+Cycle 1:
+   Number of active cells:       173
+   Number of degrees of freedom: 692
+   Writing grid to <grid-1.aniso.svg>...
+   Writing solution to <sol-1.aniso.vtu>...
+
+Cycle 2:
+   Number of active cells:       329
+   Number of degrees of freedom: 1316
+   Writing grid to <grid-2.aniso.svg>...
+   Writing solution to <sol-2.aniso.vtu>...
+