Update menu whenever the selected character is updated

src/uk/co/md87/evetool/ui/MainWindow.java

 import uk.co.md87.evetool.ConfigManager;
 import uk.co.md87.evetool.ui.ContentPanel.Page;
 import uk.co.md87.evetool.ui.data.AccountChar;
+import uk.co.md87.evetool.ui.listable.Listable;
+import uk.co.md87.evetool.ui.listable.UpdateListener;
 import uk.co.md87.evetool.ui.pages.OverviewPage;
 import uk.co.md87.evetool.ui.pages.ShipsPage;
 import uk.co.md87.evetool.ui.pages.SkillPage;
  * TODO: Document MainWindow
  * @author chris
  */
-public class MainWindow extends JFrame {
+public class MainWindow extends JFrame implements UpdateListener {
 
     /**
      * A version number for this class. It should be changed whenever the class
     }
 
     public void setSelectedChar(final AccountChar newChar) {
+        if (selectedChar != null) {
+            selectedChar.removeUpdateListener(this);
+        }
+
         selectedChar = newChar;
 
+        selectedChar.addUpdateListener(this);
+
         for (Page page : pages.values()) {
             page.setActiveChar(newChar);
         }
         add(new StatusPanel(this), "growx, span, height 30!");
     }
 
+    public void listableUpdated(Listable listable) {
+        menuPanel.setSelectedChar(selectedChar);
+    }
+
 }

src/uk/co/md87/evetool/ui/data/AccountChar.java

                         sheet.getResult().getSkillPoints()
                         - sheet.getResult().getClone().getSpLimit()));
             }
+
+            fireUpdateListener();
         } else {
             this.balance.setText("(Error)");
         }
         this.training = training;
 
         updateSkillInfo(true);
+
+        fireUpdateListener();
     }
 
     public synchronized void updateSkillInfo(final boolean initial) {