tolerance changed for vecellipt1d

demo/init/ellipt.dat.2d

@@ -7,13 +7,13 @@ ellipt->mesh:                   elliptMesh
 ellipt->dim:                    2
 ellipt->components:             1
 ellipt->polynomial degree[0]:   1
-
+ 
 ellipt->solver:                 cg
 ellipt->solver->ell:        1
 ellipt->solver->max iteration:  1000
 ellipt->solver->tolerance:      1.e-8
 ellipt->solver->info:           10
-ellipt->solver->left precon:    no
+ellipt->solver->left precon:    ilu
 ellipt->solver->right precon:   no
 
 ellipt->estimator[0]:              residual