Updated reactive extensions usage to reflect new changes

MediaBrowser.Common/MediaBrowser.Common.csproj

@@ -81,7 +81,6 @@
     <Compile Include="Net\Handlers\BaseJsonHandler.cs" />
     <Compile Include="Net\HttpServer.cs" />
     <Compile Include="Net\Request.cs" />
-    <Compile Include="Net\StreamExtensions.cs" />
     <Compile Include="Plugins\BasePlugin.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Serialization\XmlSerializer.cs" />

MediaBrowser.Common/Net/HttpServer.cs

@@ -20,8 +20,7 @@ namespace MediaBrowser.Common.Net
         private IObservable<HttpListenerContext> ObservableHttpContext()
         {
             return Observable.Create<HttpListenerContext>(obs =>
-                                Observable.FromAsyncPattern<HttpListenerContext>(listener.BeginGetContext,
-                                                                                 listener.EndGetContext)()
+                                Observable.FromAsync<HttpListenerContext>(() => listener.GetContextAsync())
                                           .Subscribe(obs))
                              .Repeat()
                              .Retry()

MediaBrowser.Common/Net/StreamExtensions.cs

@@ -1,19 +0,0 @@
-using System;
-using System.IO;
-using System.Reactive.Linq;
-
-namespace MediaBrowser.Common.Net
-{
-    public static class StreamExtensions
-    {
-        public static IObservable<byte[]> ReadBytes(this Stream stream, int count)
-        {
-            var buffer = new byte[count];
-            return Observable.FromAsyncPattern((cb, state) => stream.BeginRead(buffer, 0, count, cb, state), ar =>
-            {
-                stream.EndRead(ar);
-                return buffer;
-            })();
-        }
-    }
-}