added ability to restore the playlist window from the Window menu if it was closed

AppController.h

@@ -7,7 +7,7 @@
 @interface AppController : NSObject
 {
     IBOutlet PlaylistController *playlistController;
-	IBOutlet NSWindow *mainWindow;
+	IBOutlet NSPanel *mainWindow;
 	
 	IBOutlet NSButton *playButton;
 	IBOutlet NSButton *stopButton;

English.lproj/MainMenu.nib/classes.nib

@@ -14,7 +14,7 @@
             OUTLETS = {
                 addButton = NSButton; 
                 infoButton = NSButton; 
-                mainWindow = NSWindow; 
+                mainWindow = NSPanel; 
                 nextButton = NSButton; 
                 playButton = NSButton; 
                 playlistController = PlaylistController; 

English.lproj/MainMenu.nib/info.nib

@@ -3,13 +3,13 @@
 <plist version="1.0">
 <dict>
 	<key>IBDocumentLocation</key>
-	<string>69 104 356 240 0 0 1024 746 </string>
+	<string>95 143 356 240 0 0 1280 938 </string>
 	<key>IBEditorPositions</key>
 	<dict>
 		<key>29</key>
-		<string>243 676 346 44 0 0 1024 746 </string>
+		<string>335 861 346 44 0 0 1280 938 </string>
 		<key>463</key>
-		<string>336 385 352 268 0 0 1024 746 </string>
+		<string>464 511 352 268 0 0 1280 938 </string>
 		<key>513</key>
 		<string>475 157 109 106 0 0 1024 746 </string>
 	</dict>
@@ -30,6 +30,7 @@
 	<array>
 		<integer>463</integer>
 		<integer>21</integer>
+		<integer>29</integer>
 	</array>
 	<key>IBSystem Version</key>
 	<string>8C46</string>

French.lproj/MainMenu.nib/info.nib

@@ -3,11 +3,11 @@
 <plist version="1.0">
 <dict>
 	<key>IBDocumentLocation</key>
-	<string>78 145 356 240 0 0 1024 746 </string>
+	<string>108 200 356 240 0 0 1280 938 </string>
 	<key>IBEditorPositions</key>
 	<dict>
 		<key>29</key>
-		<string>335 923 346 44 0 0 1280 1002 </string>
+		<string>335 861 394 44 0 0 1280 938 </string>
 		<key>463</key>
 		<string>484 555 312 249 0 0 1280 1002 </string>
 		<key>513</key>
@@ -21,10 +21,11 @@
 	</array>
 	<key>IBOpenObjects</key>
 	<array>
+		<integer>29</integer>
 		<integer>280</integer>
 		<integer>21</integer>
 	</array>
 	<key>IBSystem Version</key>
-	<string>8B15</string>
+	<string>8C46</string>
 </dict>
 </plist>