Reorganization

Aurora/Design/Converters/InverseBoolConverter.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Globalization;
+using Xamarin.Forms;
+
+namespace Aurora.Design.Converters
+{
+    public class InverseBoolConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (!(value is bool))
+            {
+                throw new InvalidOperationException("The target must be a boolean");
+            }
+
+            return !(bool)value;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}

Aurora/Design/Converters/ToUpperConverter.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Globalization;
+using Xamarin.Forms;
+
+namespace Aurora.Design.Converters
+{
+    public class ToUpperConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return value.ToString().ToUpper();
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return null;
+        }
+    }
+}