Moved 'setUsingNativeTitleBar' inside MainWindow startup. Closes #6.

This appears to be the source of the inconsistencies, at least on OS X.

Source/Main.cpp

@@ -53,7 +53,7 @@ public:
     void initialise (const String& commandLine)
     {
         mainWindow = new MainWindow();
-        mainWindow->setUsingNativeTitleBar (true);
+       
 
         customLookAndFeel = new CustomLookAndFeel();
         LookAndFeel::setDefaultLookAndFeel(customLookAndFeel);

Source/MainWindow.cpp

@@ -59,7 +59,10 @@ MainWindow::MainWindow()
      addKeyListener(commandManager.getKeyMappings());
 
      loadWindowBounds();
+     setUsingNativeTitleBar (true);
+     Component::addToDesktop (getDesktopWindowStyleFlags()); 
      setVisible (true);
+    
 
 }