Merge "update homepage with IO Live banner" into jb-mr1.1-docs

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                    <a href="https://developers.google.com/events/io/io-extended/?utm_source=site&utm_medium=emb&utm_campaign=extended-android-site">

                      <img src="{@docRoot}images/home/io-extended-2013.png" style="margin:90px 0 0">

                    <a href="http://goo.gl/9lM2d">

                      <img src="{@docRoot}images/home/io-gdl-2013.png" style="margin:60px 0 0">

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                    <h1>Google I/O Extended</h1>

                    <p>Android will be at Google I/O on May 15-17, 2013, with sessions covering topics

                    such as design, performance, and how to enhance your app with the latest Android features.</p>

                    <p>Even if you can't make it there, you can experience the excitement and innovation of

                    Google I/O remotely with Google I/O Extended.</p>

                    <p><a href="https://developers.google.com/events/io/io-extended/?utm_source=site&utm_medium=emb&utm_campaign=extended-android-site"

                    >Organize or attend an event near you &raquo;</a></p>

                    <h1>Google I/O Live Stream</h1>

                    <p>Watch Android sessions live from Google I/O 2013. Hear about the latest in

                    Android straight from the source.</p>

                    <p>Brought to you by

                    <a href="http://developers.google.com/live">Google Developers Live</a>.</p>

                    <p><a href="http://goo.gl/9lM2d" class="button">Tune in now</a></p>

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