-Added DateFormatHandling to control whether dates are written in the MS format or ISO format, with ISO as the default

-Added DateTimeZoneHandling to control reading and writing DateTime time zone details
-Added reader/writer specific Formatting, DateFormatHandling and DateTimeZoneHandling to JsonSerializerSettings
-Added feature of reader/writer specific settings to be set on JsonReader/JsonWriter when serializing
-Added ReadAsDate to JsonReader
-Added ReadAsString to JsonReader
-Changed JsonTextReader to automatically read ISO strings as dates
-Refactored ReadAsXXX methods and reduce code redundancy
-Removed unused JsonDateTimeSerializationMode

Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs

@@ -1134,6 +1134,12 @@ namespace Newtonsoft.Json.Serialization
         case ReadType.ReadAsBytes:
           reader.ReadAsBytes();
           break;
+        case ReadType.ReadAsString:
+          reader.ReadAsString();
+          break;
+        case ReadType.ReadAsDateTime:
+          reader.ReadAsDateTime();
+          break;
 #if !NET20
         case ReadType.ReadAsDateTimeOffset:
           reader.ReadAsDateTimeOffset();