fix footer text

bootstrap-1.0.0.css

-/*
+/*!
  * Bootstrap v1.0.0
  *
  * Copyright 2011 Twitter, Inc
@@ -6,6 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
+ * Date: {{ date }}
  */
 /*
  * Reset.less

docs/index.html

@@ -1252,7 +1252,7 @@
           <p class="right"><a href="#">Back to top</a></p>
           <p>
             Designed and built with all the love in the world <a href="http://twitter.com/twitter" target="_blank">@twitter</a> by <a href="http://twitter.com/mdo" target="_blank">@mdo</a> and <a href="http://twitter.com/fat" target="_blank">@fat</a>.<br />
-            Open-sourced under the <a href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank">Apache License v2.0</a>.
+            Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank">Apache License v2.0</a>.
           </p>
         </div>
       </div>