Add 2.2.1 download link

website/download/download.html

@@ -51,7 +51,8 @@
 <tr><td class="reldate">2017-04-15</td><td class="filename"><a href="duktape-2.1.0.tar.xz">duktape-2.1.0.tar.xz</a></td><td class="description">performance, side effect handling</td><td class="hash">XXX</td></tr>
 <tr><td class="reldate">2017-07-29</td><td class="filename"><a href="duktape-2.1.1.tar.xz">duktape-2.1.1.tar.xz</a></td><td class="description">maintenance release</td><td class="hash">XXX</td></tr>
 <tr><td class="reldate">2018-04-22</td><td class="filename"><a href="duktape-2.1.2.tar.xz">duktape-2.1.2.tar.xz</a></td><td class="description">maintenance release</td><td class="hash">XXX</td></tr>
-<tr class="latest"><td class="reldate">2017-09-23</td><td class="filename"><a href="duktape-2.2.0.tar.xz">duktape-2.2.0.tar.xz</a></td><td class="description">call handling, API improvements, performance</td><td class="hash">XXX</td></tr>
+<tr><td class="reldate">2017-09-23</td><td class="filename"><a href="duktape-2.2.0.tar.xz">duktape-2.2.0.tar.xz</a></td><td class="description">call handling, API improvements, performance</td><td class="hash">XXX</td></tr>
+<tr class="latest"><td class="reldate">2018-04-26</td><td class="filename"><a href="duktape-2.2.1.tar.xz">duktape-2.2.1.tar.xz</a></td><td class="description">maintenance release</td><td class="hash">XXX</td></tr>
 </tbody>
 </table>