Removes unneeded methods/properties in abstraction, removes unneeded usages of it, changes everything to pre-defined bundles, fixes cdf implementation and reduces reflection, renames namespace

src/Umbraco.Infrastructure/WebAssets/ServerVariablesParser.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using Newtonsoft.Json.Linq;
+using Umbraco.Infrastructure.WebAssets;
+
+namespace Umbraco.Web.JavaScript
+{
+    public class ServerVariablesParser
+    {
+        /// <summary>
+        /// Allows developers to add custom variables on parsing
+        /// </summary>
+        public static event EventHandler<Dictionary<string, object>> Parsing;
+
+        internal const string Token = "##Variables##";
+
+        public static string Parse(Dictionary<string, object> items)
+        {
+            var vars = Resources.ServerVariables;
+
+            //Raise event for developers to add custom variables
+            Parsing?.Invoke(null, items);
+
+            var json = JObject.FromObject(items);
+            return vars.Replace(Token, json.ToString());
+        }
+    }
+}