Update changelog to reflect depenency updates

changelog.html

@@ -47,7 +47,8 @@ <h1>
 <p><b>4.5.0</b> -- tbd</p>
 <ul>
     <li>Replaced Fastpath webclient demo website for something that has a little more appeal.</li>
-    <li>Bumps xstream from 1.4.13 to 1.4.16.</li>
+    <li>Bumps xstream from 1.4.13 to 1.4.20.</li>
+    <li>Bumps commons-fileupload from 1.3.3 to 1.5</li>
     <li>[<a href="https://github.com/igniterealtime/openfire-fastpath-plugin/issues/62">#62</a>] - Replace CalendarJS library.</li>
     <li>[<a href="https://github.com/igniterealtime/openfire-fastpath-plugin/issues/56">#56</a>] - Prevent NullPointerException when optional data is not provided by the user client.</li>
     <li>[<a href="https://github.com/igniterealtime/openfire-fastpath-plugin/issues/54">#54</a>] - Converse now adds metadata that Spark needs.</li>