message: Lowered tolerances in IsoparametricTransformation's TransformBack.
  There were some edge cases on an element's boundary where
  the solver converged, but the original tolerance of 1e-15 was too low.
  Changing the tolerances to 1e-14 fixes this while still
  passing all tests for transforming points back and forth.
diff: @@ -245,8 +245,8 @@ int IsoparametricTransformation::TransformBack(const Vector &pt,
  int refinementOrder)
  {
  const int max_iter = 16;
  - const double ref_tol = 1e-15;
  - const double phys_tol = 1e-15*pt.Normlinf();
  + const double ref_tol = 1e-14;
  + const double phys_tol = 1e-14*pt.Normlinf();
  const double ip_tol = 1e-8;
  const int dim = FElem->GetDim();
  