diff --git a/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs b/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
index 835f3357eb..041b4ea41d 100644
--- a/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
+++ b/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs
@@ -1,4 +1,5 @@
-using MediaBrowser.Common.IO;
+using System.Globalization;
+using MediaBrowser.Common.IO;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
@@ -287,7 +288,9 @@ namespace MediaBrowser.Api.Playback.Progressive
 
             var contentType = state.GetMimeType(outputPath);
 
-            var contentLength = state.EstimateContentLength ? GetEstimatedContentLength(state) : null;
+            // TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
+            // What we really want to do is hunt that down and remove that
+            var contentLength = state.EstimateContentLength || isHeadRequest ? GetEstimatedContentLength(state) : null;
 
             if (contentLength.HasValue)
             {
@@ -299,10 +302,14 @@ namespace MediaBrowser.Api.Playback.Progressive
             {
                 var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
 
-                if (!contentLength.HasValue)
+                var hasOptions = streamResult as IHasOptions;
+                if (hasOptions != null)
                 {
-                    var hasOptions = streamResult as IHasOptions;
-                    if (hasOptions != null)
+                    if (contentLength.HasValue)
+                    {
+                        hasOptions.Options["Content-Length"] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
+                    }
+                    else
                     {
                         if (hasOptions.Options.ContainsKey("Content-Length"))
                         {
diff --git a/MediaBrowser.WebDashboard/Api/PackageCreator.cs b/MediaBrowser.WebDashboard/Api/PackageCreator.cs
index 89ae4a9b61..5c6228193e 100644
--- a/MediaBrowser.WebDashboard/Api/PackageCreator.cs
+++ b/MediaBrowser.WebDashboard/Api/PackageCreator.cs
@@ -220,9 +220,7 @@ namespace MediaBrowser.WebDashboard.Api
             var files = new[]
                             {
                                 "thirdparty/jquerymobile-1.4.5/jquery.mobile-1.4.5.min.css",
-                                "thirdparty/swipebox-master/css/swipebox.min.css" + versionString,
                                 "thirdparty/fontawesome/css/font-awesome.min.css" + versionString,
-                                "thirdparty/jstree3.0.8/themes/default/style.min.css",
                                 "css/all.css" + versionString
                             };
 
@@ -245,8 +243,7 @@ namespace MediaBrowser.WebDashboard.Api
 
             var files = new List<string>
             {
-                "scripts/all.js" + versionString,
-                "thirdparty/swipebox-master/js/jquery.swipebox.min.js" + versionString
+                "scripts/all.js" + versionString
             };
 
             if (string.Equals(mode, "cordova", StringComparison.OrdinalIgnoreCase))
@@ -274,16 +271,12 @@ namespace MediaBrowser.WebDashboard.Api
             await AppendResource(memoryStream, "thirdparty/jquery-2.1.1.min.js", newLineBytes).ConfigureAwait(false);
             await AppendResource(memoryStream, "thirdparty/jquerymobile-1.4.5/jquery.mobile-1.4.5.min.js", newLineBytes).ConfigureAwait(false);
 
-            await AppendResource(memoryStream, "thirdparty/jquery.unveil-custom.js", newLineBytes).ConfigureAwait(false);
-
-            await AppendResource(memoryStream, "thirdparty/cast_sender.js", newLineBytes).ConfigureAwait(false);
             await AppendResource(memoryStream, "thirdparty/browser.js", newLineBytes).ConfigureAwait(false);
 
-            await AppendResource(memoryStream, "thirdparty/jstree3.0.8/jstree.js", newLineBytes).ConfigureAwait(false);
+            await AppendResource(memoryStream, "thirdparty/require.js", newLineBytes).ConfigureAwait(false);
+
+            await AppendResource(memoryStream, "thirdparty/jquery.unveil-custom.js", newLineBytes).ConfigureAwait(false);
 
-            await AppendResource(memoryStream, "thirdparty/fastclick.js", newLineBytes).ConfigureAwait(false);
-            await AppendResource(memoryStream, "thirdparty/headroom.js", newLineBytes).ConfigureAwait(false);
-            
             await AppendLocalization(memoryStream, culture).ConfigureAwait(false);
             await memoryStream.WriteAsync(newLineBytes, 0, newLineBytes.Length).ConfigureAwait(false);
 
diff --git a/MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj b/MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj
index 3d6d2c8d91..ce2e2d4229 100644
--- a/MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj
+++ b/MediaBrowser.WebDashboard/MediaBrowser.WebDashboard.csproj
@@ -1665,6 +1665,12 @@
     <Content Include="dashboard-ui\thirdparty\jstree3.0.8\themes\default\throbber.gif">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="dashboard-ui\thirdparty\require.js">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="dashboard-ui\thirdparty\requirecss.js">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="dashboard-ui\thirdparty\swipebox-master\css\swipebox.css">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>