Update project for release candidate

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1743 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/messenger/container/PluginManager.java

@@ -540,6 +540,10 @@ public class PluginManager {
                     }
                 });
 
+                if(jars == null){
+                    return;
+                }
+                
                 for (int i = 0; i < jars.length; i++) {
                     File jarFile = jars[i];
                     String pluginName = jarFile.getName().substring(0,