message: Do not draw kink points
  Since kink points werent really drawn correctly, ditch drawing kink points alltogether (for now)
diff: @@ -228,7 +228,7 @@ void Connection::paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidg
  painter->drawPolygon(QPolygonF() << *(line.end() - 1) << destArrowP1 << destArrowP2);
  }
  -
  + /*
  // Draw kink points
  painter->setPen(QPen(Qt::black, 6, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
  @@ -247,6 +247,7 @@ void Connection::paint(QPainter* painter, const QStyleOptionGraphicsItem*, QWidg
  }
  i++;
  }
  + */
  }
  void Connection::addLabelToScene() {
  