* Changed heat demo to work

demo/init/heat.dat.2d

@@ -8,7 +8,7 @@ heat->space->polynomial degree:       1
 heat->space->dim:                     2
 heat->space->mesh:                    heatMesh
 
-heat->space->solver:                  cg
+heat->space->solver:                  bicgstab
 heat->space->solver->max iteration:   1000
 heat->space->solver->restart:         10  %  only used for GMRES
 heat->space->solver->tolerance:       1.e-8
@@ -22,7 +22,7 @@ heat->space->estimator->C1:          1.0
 
 heat->theta:                         1.0
 
-heat->adapt->timestep:               0.1
+heat->adapt->timestep:               0.001
 heat->adapt->start time:             0.0
 heat->adapt->end time:               1.0