Fixed Small NPE With Grace if GraceSystem was set to false

src/main/java/com/massivecraft/factions/FactionsPlugin.java

@@ -295,13 +295,16 @@ public class FactionsPlugin extends MPlugin {
                 new MissionHandler(this),
                 new FChestListener(),
                 new MenuListener(),
-                timerManager.graceTimer,
                 new AntiChestListener()
         };
 
         for (Listener eventListener : eventsListener)
             getServer().getPluginManager().registerEvents(eventListener, this);
 
+        if(Conf.useGraceSystem){
+            getServer().getPluginManager().registerEvents(timerManager.graceTimer, this);
+        }
+
         this.getCommand(refCommand).setExecutor(cmdBase);
 
         if (!CommodoreProvider.isSupported()) this.getCommand(refCommand).setTabCompleter(this);