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.Web/Install/Controllers/InstallController.cs

@@ -6,6 +6,7 @@ using Umbraco.Core.Configuration;
 using Umbraco.Core.IO;
 using Umbraco.Core.Logging;
 using Umbraco.Core.Runtime;
+using Umbraco.Core.WebAssets;
 using Umbraco.Web.JavaScript;
 using Umbraco.Web.Mvc;
 using Umbraco.Web.Security;