Use cache priming in Music Store sample

samples/angular/MusicStore/Views/Home/Index.cshtml

@@ -9,6 +9,9 @@
 </cache>
 
 @section scripts {
+    @await Html.PrimeCache(Url.Action("GenreMenuList", "GenresApi"))
+    @await Html.PrimeCache(Url.Action("MostPopular", "AlbumsApi"))
+
     <script src="~/lib/traceur/bin/traceur-runtime.js"></script>
     <script src="~/lib/es6-module-loader/dist/es6-module-loader-sans-promises.js"></script>
     <script src="~/lib/reflect-metadata/Reflect.js"></script>

samples/angular/MusicStore/Views/_ViewImports.cshtml

@@ -1,3 +1,4 @@
 @using MusicStore
+@using Microsoft.AspNet.AngularServices 
 @addTagHelper "*, Microsoft.AspNet.Mvc.TagHelpers"
 @addTagHelper "*, Microsoft.AspNet.AngularServices"