Changed custom fields to use a tableview

Custom fields are stored and loaded, missing Undo

MacPass/MPCustomFieldTableCellView.m

@@ -0,0 +1,17 @@
+//
+//  MPCustomFieldTableCellView.m
+//  MacPass
+//
+//  Created by Michael Starke on 28.06.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "MPCustomFieldTableCellView.h"
+
+@implementation MPCustomFieldTableCellView
+
+- (void)setBackgroundStyle:(NSBackgroundStyle)backgroundStyle {
+  [super setBackgroundStyle:NSBackgroundStyleLight];
+}
+
+@end