Use a temporary app object and database lock to avoid saving while the database is not in a consistent state

Limelight/Database/TemporaryApp.m

@@ -0,0 +1,13 @@
+//
+//  TemporaryApp.m
+//  Moonlight
+//
+//  Created by Cameron Gutman on 9/30/15.
+//  Copyright © 2015 Moonlight Stream. All rights reserved.
+//
+
+#import "TemporaryApp.h"
+
+@implementation TemporaryApp
+
+@end