add version to getting started page

docs/getting-started.html

@@ -30,6 +30,7 @@ lead: "An overview of Bootstrap, how to download and use, basic templates and ex
       <a href="{{ site.download.sass }}" class="btn btn-lg btn-outline" role="button" onclick="_gaq.push(['_trackEvent', 'Getting started', 'Download', 'Download Sass']);">Download Sass</a>
     </div>
   </div>
+  <p class="muted">Currently v{{ site.current_version }}.</p>
 
   <h3 id="download-cdn">Bootstrap CDN</h3>
   <p>The folks over at <a href="http://www.maxcdn.com/">MaxCDN</a> graciously provide CDN support for Bootstrap's CSS and JavaScript. Just use these <a href="http://www.bootstrapcdn.com/">Bootstrap CDN</a> links.</p>