Fix OSD Plugin.

osd/src/com/dmdirc/addons/osd/OsdManager.java

 
 package com.dmdirc.addons.osd;
 
+import com.dmdirc.DMDircMBassador;
 import com.dmdirc.addons.ui_swing.UIUtilities;
 import com.dmdirc.addons.ui_swing.injection.MainWindow;
 import com.dmdirc.config.prefs.CategoryChangeListener;
     private PreferencesSetting maxWindowsSetting;
     /** This plugin's plugin info. */
     private final PluginInfo pluginInfo;
+    private final DMDircMBassador eventBus;
     /** The controller to read/write settings with. */
     private final IdentityController identityController;
     /** The manager to use to parse colours. */
     @Inject
     public OsdManager(
             @MainWindow final Window mainFrame,
+            final DMDircMBassador eventBus,
             final IdentityController identityController,
             final ColourManagerFactory colourManagerFactory,
             @PluginDomain(OsdPlugin.class) final PluginInfo pluginInfo) {
         this.mainFrame = mainFrame;
+        this.eventBus = eventBus;
         this.identityController = identityController;
         this.colourManager = colourManagerFactory.getColourManager(identityController.getGlobalConfiguration());
         this.pluginInfo = pluginInfo;
         }
     }
 
+    public void onLoad() {
+        eventBus.subscribe(this);
+    }
+
+    public void onUnload() {
+        eventBus.subscribe(this);
+    }
 }

osd/src/com/dmdirc/addons/osd/OsdPlugin.java

         registerCommand(OsdCommand.class, OsdCommand.INFO);
     }
 
+    @Override
+    public void onLoad() {
+        osdManager.onLoad();
+    }
+
+    @Override
+    public void onUnload() {
+        osdManager.onUnload();
+    }
+
     /**
      * Shows an OSD with the specified message, title is ignored, exported method used for
      * showNotification.