Update relevant URLS to HTTPS

Update relevant URLS to HTTPS

_layouts/default.html

@@ -50,7 +50,7 @@
           <li><a href="/react/support.html"{% if page.id == 'support' %} class="active"{% endif %}>support</a></li>
           <li><a href="/react/downloads.html"{% if page.id == 'downloads' %} class="active"{% endif %}>download</a></li>
           <li><a href="/react/blog/"{% if page.sectionid == 'blog' %} class="active"{% endif %}>blog</a></li>
-          <li><a href="http://github.com/facebook/react">github</a>
+          <li><a href="https://github.com/facebook/react">github</a>
         </ul>
       </div>
     </div>
@@ -80,7 +80,7 @@
       </div>
       <div class="right">
         &copy; 2013&ndash;{{ site.time | date: '%Y' }} Facebook Inc.<br>
-        Documentation licensed under <a href="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>.
+        Documentation licensed under <a href="https://creativecommons.org/licenses/by/4.0/">CC BY 4.0</a>.
       </div>
     </footer>
   </div>