Misc fixes on homepage

Added menu item for Seed App download, fixed a spelling error.

index.html

@@ -115,6 +115,7 @@
                 <li><a href="http://www.youtube.com/user/angularjs">Watch</a></li>
                 <li><a href="http://docs.angularjs.org/guide/">Tutorial</a></li>
                 <li><a href="https://github.com/angular/angular.js/wiki/Projects-using-AngularJS">Case Studies</a></li>
+                <li><a href="https://github.com/angular/angular-seed">Seed App project template</a></li>
                 <li><a href="http://docs-next.angularjs.org/misc/faq">FAQ</a></li>
               </ul>
             </li>
@@ -393,7 +394,7 @@ <h1>Embed and Inject</h1>
       <div class="span4">
         <h3>Embeddable</h3>
         <p>
-          AngularJS works great with other technologies. Add as much or as little of AngularJSJS to
+          AngularJS works great with other technologies. Add as much or as little of AngularJS to
           an existing page as you like. Many other frameworks require full commitment. This page
           has multiple AngularJS applications embedded in it. Because AngularJS has no global
           state multiple apps can run on a single page without the use of <code>iframe</code>s. We