message: teaser caption reads better
diff: <div class="carousel-item">
  <img src="images/teaser_hdospray.jpg">
  <div class="carousel-caption">
  - <h3>Integration in USD Hydra</h3>
  + <h3>USD Hydra Integration</h3>
  <p>Gramophone rendered in Pixar's usdview</p>
  </div>
  </div>
  