fix: remap assets for production

related: angular/angular-cli#2137

Author: adriancarriger

src/favicon.ico renamed to src/assets/favicon.ico

@@ -6,8 +6,8 @@
   <base href="/">
 
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <link rel="icon" type="image/x-icon" href="favicon.ico">
-  <link href="app/styles/loading.css" rel="stylesheet">
+  <link rel="icon" type="image/x-icon" href="assets/favicon.ico">
+  <link href="assets/loading.css" rel="stylesheet">
   <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">
   <link href="https://code.ionicframework.com/ionicons/2.0.1/css/ionicons.min.css" rel="stylesheet">