message: Fixed Mesh::GetElementSize(), which did not work for embedded meshes
diff: @@ -75,7 +75,7 @@ void Mesh::GetElementCenter(int i, Vector &center)
  double Mesh::GetElementSize(ElementTransformation *T, int type)
  {
  - DenseMatrix J(Dim);
  + DenseMatrix J(spaceDim,Dim);
  Geometry::Type geom = T->GetGeometryType();
  T->SetIntPoint(&Geometries.GetCenter(geom));
  @@ -83,7 +83,7 @@ double Mesh::GetElementSize(ElementTransformation *T, int type)
  if (type == 0)
  {
  - return pow(fabs(J.Det()), 1./Dim);
  + return pow(fabs(J.Weight()), 1./double(Dim));
  }
  else if (type == 1)
  {
  