message: update triangle refinement to be parallel construction to quads, remove redundant vertex setting
diff: @@ -5960,14 +5960,10 @@ void Mesh::UniformRefinement2D()
  AverageVertices(vv, 2, oedge+e[ei]);
  }
  - printf("oedge, e[0], e[1], e[2]: %d %d %d %d\n",oedge,e[0],e[1],e[2]);
  - printf("v[0], v[1], v[2]: %d %d %d\n",v[0],v[1],v[2]);
  + elements[nec++] = new Triangle(oedge+e[2], v[0], oedge+e[0], attr);
  elements[nec++] = new Triangle(oedge+e[1], oedge+e[2], oedge+e[0], attr);
  elements[nec++] = new Triangle(oedge+e[0], v[1], oedge+e[1], attr);
  elements[nec++] = new Triangle(oedge+e[2], oedge+e[1], v[2], attr);
  -
  - v[1] = oedge+e[0];
  - v[2] = oedge+e[2];
  }
  else if (el_type == Element::QUADRILATERAL)
  {
  @@ -5993,9 +5989,6 @@ void Mesh::UniformRefinement2D()
  elements[nec++] = new Quadrilateral(oedge+e[3], oelem+qe,
  oedge+e[2], v[3], attr);
  - v[1] = oedge+e[0];
  - v[2] = oelem+qe;
  - v[3] = oedge+e[3];
  }
  else
  {
  