start replacing jquery ajax with fetch

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -566,7 +566,7 @@ namespace MediaBrowser.Api.Playback
 
             if (string.Equals(outputVideoCodec, "h264_qsv", StringComparison.OrdinalIgnoreCase))
             {
-                if (filters.Count > 0)
+                if (filters.Count > 1)
                 {
                     filters[filters.Count - 1] += ":flags=fast_bilinear";
                 }

MediaBrowser.Common.Implementations/Security/PluginSecurityManager.cs

@@ -21,7 +21,7 @@ namespace MediaBrowser.Common.Implementations.Security
     public class PluginSecurityManager : ISecurityManager
     {
         private const string MBValidateUrl = MbAdmin.HttpsUrl + "service/registration/validate";
-        private const string AppstoreRegUrl = /*MbAdmin.HttpsUrl*/ "http://mb3admin.com/admin/" + "service/appstore/register";
+        private const string AppstoreRegUrl = /*MbAdmin.HttpsUrl*/ "http://mb3admin.com/admin/service/appstore/register";
 
         /// <summary>
         /// The _is MB supporter

MediaBrowser.WebDashboard/Api/DashboardService.cs

@@ -335,6 +335,7 @@ namespace MediaBrowser.WebDashboard.Api
                 CopyFile(Path.Combine(creator.DashboardUIPath, "bower_components", "hammerjs", "hammer.min.js"), Path.Combine(path, "bower_components", "hammerjs", "hammer.min.js"));
 
                 CopyFile(Path.Combine(creator.DashboardUIPath, "bower_components", "Sortable", "Sortable.min.js"), Path.Combine(path, "bower_components", "Sortable", "Sortable.min.js"));
+                CopyFile(Path.Combine(creator.DashboardUIPath, "bower_components", "fetch", "fetch.js"), Path.Combine(path, "bower_components", "fetch", "fetch.js"));
                 CopyFile(Path.Combine(creator.DashboardUIPath, "bower_components", "native-promise-only", "lib", "npo.src.js"), Path.Combine(path, "bower_components", "native-promise-only", "lib", "npo.src.js"));
             }