Added responsive images and picture fill

		<!-- Using picturefill to load conditional images and matchmedia to
provide support for IE8 and below + older browsers -->
		<script src="js/picturefill.js"></script>
		<script src="js/matchmedia.js"></script>

<figure id="lucille">
    <div data-picture data-alt="Lucille Kenney">
        <div data-src="img/headshot-s.png"></div>
        <div data-src="img/headshot-m.png" data-media="(min-width:
45em)"></div>
        <div data-src="img/headshot-l.png" data-media="(min-width:
60em)"></div>
        <!-- Fallback content for non-JS browsers. Same img src as the
initial, unqualified source element. -->
        <noscript>
            <img src="./img/headshot-s.png" alt="Lucille Kenney">
        </noscript>
    </div>
</figure>