Start 0.2.3 changelog

website/index.html

       <p>The application provides a link to a web-based portal where users can see a graph of their uploaded data, and the results of the activity detection algorithm will also be surfaced there.</p>
       <h4>Changelog</h4>
       <ul>
+       <li><strong>0.2.2 &rarr; 0.2.3</strong>: Fix another force close</li>
        <li><strong>0.2.1 &rarr; 0.2.2</strong>: Fix force close, add reporting of exceptions</li>
        <li><strong>0.2.0 &rarr; 0.2.1</strong>: Bug fix related to turning display off</li>
        <li><strong>0.1.6 &rarr; 0.2.0</strong>: Near-complete rewrite: much improved UI, classification on device, bug fixes</li>