Added tab for update settings

Minor fixes to sparkle integration

MacPass/MPUpdateSettingsController.m

@@ -0,0 +1,35 @@
+//
+//  MPUpdateSettingsController.m
+//  MacPass
+//
+//  Created by Michael Starke on 04.02.14.
+//  Copyright (c) 2014 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "MPUpdateSettingsController.h"
+
+@interface MPUpdateSettingsController ()
+
+@end
+
+@implementation MPUpdateSettingsController
+
+- (instancetype)init {
+  self = [super initWithNibName:@"UpdateSettings" bundle:nil];
+  return self;
+}
+
+- (NSString *)identifier {
+  return @"UpdateSettings";
+}
+
+- (NSImage *)image {
+  return [NSImage imageNamed:NSImageNameApplicationIcon];
+}
+
+- (NSString *)label {
+  return NSLocalizedString(@"UPDATE_SETTINGS", @"Update Settings Label");
+}
+
+
+@end