Changed frequency for monitoring the plugin directory to 30 sec.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@436 b35dd754-fafc-0310-a699-88a17e54d16e

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

@@ -52,7 +52,7 @@ public class PluginManager {
      */
     public void start() {
         executor = new ScheduledThreadPoolExecutor(1);
-        executor.scheduleWithFixedDelay(new PluginMonitor(), 0, 5, TimeUnit.SECONDS);
+        executor.scheduleWithFixedDelay(new PluginMonitor(), 0, 30, TimeUnit.SECONDS);
     }
 
     /**