Removes booting.aspx and creates embedded html pages for booting and failed (if those are ever seen ), renames some classes and namespaces, removes old cdf bundle classes

src/Umbraco.Web/JavaScript/PreviewInitialize.js

@@ -0,0 +1,14 @@
+[
+    '../lib/jquery/jquery.min.js',
+    '../lib/angular/angular.js',
+    '../lib/underscore/underscore-min.js',
+    '../lib/umbraco/Extensions.js',
+    '../js/app.js',
+    '../js/umbraco.resources.js',
+    '../js/umbraco.services.js',
+    '../js/umbraco.interceptors.js',
+    '../ServerVariables',
+    '../lib/signalr/jquery.signalR.js',
+    '../BackOffice/signalr/hubs',
+    '../js/umbraco.preview.js'
+]