message: update md file title
diff: <div class="navbar-inner">
  <div class="container">
  <div class="brand"><a href="index.html">
  - <img src="img/logo.svg" style="width:130px; height:48px;"/></a><span class="version">{{site.DAVINCI_VERSION_SHORT}}</span>
  + <img src="img/logo.svg" style="width:130px; height:48px;"/></a>
  + <!-- <span class="version">{{site.DAVINCI_VERSION_SHORT}}</span> -->
  </div>
  <ul class="nav">
  <li><a href="index.html">Overview</a></li>
  