layout fix after alpha5

Author: IgorSychev

src/Services/Identity/Identity.API/Views/Shared/_Layout.cshtml

@@ -7,11 +7,11 @@
     <link rel="icon" type="image/x-icon" href="~/favicon.ico" />
     <link rel="shortcut icon" type="image/x-icon" href="~/favicon.ico" />
     <environment names="Development">
-        <link rel="stylesheet" href="~/lib/bootstrap/css/bootstrap.css" />
+        <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
         <link rel="stylesheet" href="~/css/site.css" />
     </environment>
     <environment names="Staging,Production">
-        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.5/css/bootstrap.min.css"
+        <link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/css/bootstrap.min.css"
               asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
               asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
         <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
@@ -49,7 +49,7 @@
 
 
     <script src="~/lib/jquery/jquery.js"></script>
-    <script src="~/lib/bootstrap/js/bootstrap.js"></script>
+    <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
     @RenderSection("scripts", required: false)
 </body>
 </html>