Updated screenshots with new name.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@3224 b35dd754-fafc-0310-a699-88a17e54d16e

documentation/docs/install-guide.html

@@ -124,7 +124,7 @@ setting up the server:
 
 <p>
 <div align="center">
-<img src="images/launcher.png" alt="Wildfire Launcher" width="323" height="277" align="center">
+<img src="images/launcher.png" alt="Wildfire Launcher" width="400" height="300" align="center">
 </div>
 </p>