Update to EF6

Options/Options.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Globalization;
-using System.Windows.Data;
-
-namespace FeedCenter.Options
+namespace FeedCenter.Options
 {
     public enum MultipleLineDisplay
     {
@@ -10,24 +6,4 @@ namespace FeedCenter.Options
         SingleLine,
         FirstLine
     }
-
-    public enum MultipleOpenAction
-    {
-        IndividualPages,
-        SinglePage
-    }
-
-    [ValueConversion(typeof(int), typeof(MultipleOpenAction))]
-    public class MultipleOpenActionConverter : IValueConverter
-    {
-        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
-        {
-            return (MultipleOpenAction) value;
-        }
-
-        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
-        {
-            return (int) value;
-        }
-    }
 }