Update LocalizedString to also store the textHint, scopy and args

This is so that OrchardException classes which expose a LocalizedString
can be examined for the language neutral text if needed.

--HG--
branch : dev

src/Orchard/Localization/LocalizedString.cs

@@ -4,11 +4,21 @@ using System.Web;
 namespace Orchard.Localization {
     public class LocalizedString : MarshalByRefObject, IHtmlString {
         private readonly string _localized;
+        private readonly string _scope;
+        private readonly string _textHint;
+        private readonly object[] _args;
 
         public LocalizedString(string localized) {
             _localized = localized;
         }
 
+        public LocalizedString(string localized, string scope, string textHint, object[] args) {
+            _localized = localized;
+            _scope = scope;
+            _textHint = textHint;
+            _args = args;
+        }
+
         public static LocalizedString TextOrDefault(string text, LocalizedString defaultValue) {
             if (string.IsNullOrEmpty(text))
                 return defaultValue;
@@ -16,6 +26,18 @@ namespace Orchard.Localization {
                 return new LocalizedString(text);
         }
 
+        public string Scope {
+            get { return _scope; }
+        }
+
+        public string TextHint {
+            get { return _textHint; }
+        }
+
+        public object[] Args {
+            get { return _args; }
+        }
+
         public string Text {
             get { return _localized; }
         }

src/Orchard/Localization/Text.cs

@@ -27,8 +27,8 @@ namespace Orchard.Localization {
             var localizedFormat = _resourceManager.GetLocalizedString(_scope, textHint, currentCulture);
 
             return args.Length == 0 
-                ? new LocalizedString(localizedFormat)
+                ? new LocalizedString(localizedFormat, _scope, textHint, args)
-                : new LocalizedString(string.Format(GetFormatProvider(currentCulture), localizedFormat, args.Select(Encode).ToArray()));
+                : new LocalizedString(string.Format(GetFormatProvider(currentCulture), localizedFormat, args.Select(Encode).ToArray()), _scope, textHint, args);
         }
 
         private static IFormatProvider GetFormatProvider(string currentCulture) {