Mark unsupported serialization implementations as obsolete.

Source/Csla/Serialization/Mobile/CslaLegacyBinaryReader.cs

@@ -6,6 +6,7 @@ namespace Csla.Serialization.Mobile
   /// This is a legacy version of <see cref="CslaBinaryReader"/>. You should
   /// not use this type unless you have issues with the <see cref="CslaBinaryReader"/>.
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaLegacyBinaryReader : ICslaReader
   {
     private readonly Dictionary<int, string> keywordsDictionary;

Source/Csla/Serialization/Mobile/CslaLegacyBinaryWriter.cs

@@ -6,6 +6,7 @@ namespace Csla.Serialization.Mobile
   /// This is a legacy version of <see cref="CslaBinaryWriter"/>. You should
   /// not use this type unless you have issues with the <see cref="CslaBinaryWriter"/>.
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaLegacyBinaryWriter : ICslaWriter
   {
     private readonly Dictionary<string, int> keywordsDictionary;

Source/Csla/Serialization/Mobile/CslaReaderWriterFactory.cs

@@ -23,6 +23,7 @@ public static class CslaReaderWriterFactory
     /// and setup known types for that class
     /// </summary>
     /// <returns>instance of <see cref="DataContractSerializer"/></returns>
+    [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
     public static DataContractSerializer GetDataContractSerializer()
     {
       return new DataContractSerializer(

Source/Csla/Serialization/Mobile/CslaXmlBinaryReader.cs

@@ -7,6 +7,7 @@ namespace Csla.Serialization.Mobile
   /// This class uses <see cref="DataContractSerializer"/> and <see cref="XmlDictionaryReader"/> classes
   /// to read the data from a stream
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaXmlBinaryReader : ICslaReader
   {
     /// <summary>

Source/Csla/Serialization/Mobile/CslaXmlBinaryWriter.cs

@@ -7,6 +7,7 @@ namespace Csla.Serialization.Mobile
   /// This class uses <see cref="DataContractSerializer"/> and <see cref="XmlDictionaryWriter"/> classes
   /// to write the data to a stream
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaXmlBinaryWriter : ICslaWriter
   {
     /// <summary>

Source/Csla/Serialization/Mobile/CslaXmlReader.cs

@@ -7,6 +7,7 @@ namespace Csla.Serialization.Mobile
   /// This class uses <see cref="DataContractSerializer"/> and <see cref="XmlReader"/> classes
   /// to read the data from a stream
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaXmlReader : ICslaReader
   {
     /// <summary>

Source/Csla/Serialization/Mobile/CslaXmlWriter.cs

@@ -7,6 +7,7 @@ namespace Csla.Serialization.Mobile
   /// This class uses <see cref="DataContractSerializer"/> and <see cref="XmlWriter"/> classes
   /// to write the data to a stream
   /// </summary>
+  [Obsolete("This type of serialization is unsupported. It will be removed with one of the next major versions of CSLA.NET.")]
   public class CslaXmlWriter : ICslaWriter
   {
     /// <summary>