Add autosave

Medianno/MAAppController.h

@@ -16,6 +16,6 @@ typedef void (^MASheetBlock)(NSInteger returnCode);
 
 @end
 
-@interface MAAppController : NSObject
+@interface MAAppController : NSObject <NSApplicationDelegate>
 
 @end

Medianno/MAAppController.mm

@@ -31,14 +31,9 @@
 
 @implementation MAAppController
 
-- (id)init
+- (void)applicationDidFinishLaunching:(NSNotification *)notification
 {
-    self = [super init];
+    [[NSDocumentController sharedDocumentController] setAutosavingDelay:30.0];
-    if (self) {
-        // Initialization code here.
-    }
-    
-    return self;
 }
 
 @end