remove getting started link from home, add to navbar, overhaul getting started docs

docs/templates/pages/getting-started.mustache

@@ -35,12 +35,12 @@
           <div class="span4">
             <h3>Download compiled</h3>
             <p><strong>Fastest way to get started:</strong> get the compiled and minified versions of our CSS, JS, and images. No docs or original source files.</p>
-            <a class="btn btn-large btn-primary">Download Bootstrap</a>
+            <p><a class="btn btn-large btn-primary" href="assets/bootstrap.zip" {{#production}}onclick="_gaq.push(['_trackEvent', 'Getting started', 'Download', 'Download compiled']);"{{/production}}>Download Bootstrap</a></p>
           </div>
           <div class="span4">
             <h3>Download source</h3>
             <p>Get the original files for all CSS and Javasript, along with a local copy of the docs by downloading the latest version directly from GitHub.</p>
-            <a class="btn btn-large">Download Bootstrap source</a>
+            <p><a class="btn btn-large" href="https://github.com/twitter/bootstrap/zipball/master" {{#production}}onclick="_gaq.push(['_trackEvent', 'Getting started', 'Download', 'Download source']);"{{/production}}>Download Bootstrap source</a></p>
           </div>
         </div>
       </section>