message: Improve GetFaceInformation.
diff: @@ -1154,7 +1154,6 @@ Mesh::FaceInformation Mesh::GetFaceInformation(int f) const
  }
  else // e2<0
  {
  - face.elem_2_orientation = inf2%64;
  if (ncface==-1)
  {
  face.conformity = FaceConformity::Conforming;
  @@ -1162,11 +1161,13 @@ Mesh::FaceInformation Mesh::GetFaceInformation(int f) const
  {
  face.location = FaceLocation::Boundary;
  face.elem_2_index = e2;
  + face.elem_2_orientation = -1;
  }
  else // inf2 >= 0
  {
  face.location = FaceLocation::Shared;
  face.elem_2_index = -1 - e2;
  + face.elem_2_orientation = inf2%64;
  }
  }
  else // ncface >= 0
  @@ -1174,6 +1175,7 @@ Mesh::FaceInformation Mesh::GetFaceInformation(int f) const
  face.location = e2==-1 ? FaceLocation::Local : FaceLocation::Shared;
  face.conformity = FaceConformity::NonConformingMaster;
  face.elem_2_index = e2==-1 ? e2 : -1 - e2;
  + face.elem_2_orientation = inf2%64;
  }
  }
  }
  