message: Remove errnous sign.
diff: @@ -256,7 +256,6 @@ void KellyErrorEstimator::ComputeEstimates()
  e1.AdjugateJacobian().MultTranspose(ref_normal, normal);
  normal /= e1.Weight();
  }
  - normal.Neg();
  jumps(i) -= val * normal * fip.weight * FT->Face->Weight();
  }
  @@ -358,7 +357,6 @@ void KellyErrorEstimator::ComputeEstimates()
  e1.AdjugateJacobian().MultTranspose(ref_normal, normal);
  normal /= e1.Weight();
  }
  - normal.Neg();
  jumps(i) -= val * normal * fip.weight * FT->Face->Weight();
  }
  