Fix Bootstrap URL; add GitHub as user

Author: necolas

index.html

@@ -68,19 +68,19 @@ <h2 class="tagline">A modern, HTML5-ready alternative to CSS resets</h2>
 
             <div class="site-footer">
                 <p class="txt-large">&hellip;as used by
-                    <a href="http://twitter.github.com/bootstrap/">Twitter Bootstrap</a>,
+                    <a href="http://getbootstrap.com/">Bootstrap</a>,
                     <a href="http://html5boilerplate.com/">HTML5 Boilerplate</a>,
                     <a href="http://yuilibrary.com/projects/yui3/">YUI 3</a>,
                     <a href="http://purecss.io/">Pure</a>,
                     <a href="http://tweetdeck.com/">TweetDeck</a>,
+                    <a href="https://github.com/">GitHub</a>,
                     <a href="https://soundcloud.com/">Soundcloud</a>,
                     <a href="https://medium.com/">Medium</a>,
                     <a href="http://data.nasa.gov/">NASA</a>,
                     <a href="https://www.gov.uk/">GOV.UK</a>,
                     <a href="http://www.theguardian.com/uk?view=mobile">Guardian</a>,
                     <a href="https://www.rdio.com/">Rdio</a>,
                     <a href="http://favstar.fm/">Favstar</a>,
-                    <a href="http://informationarchitects.net/">iA</a>,
                     and many others.
                 </p>