User app fixes for cors and data origin

app/views/layouts/user/foundation.html.slim

@@ -7,7 +7,6 @@ html lang="en"
     title= application_title
     = javascript_include_tag "vendor/modernizr"
     = stylesheet_link_tag "user/foundation/application"
-    = javascript_include_tag "user/flat/application"
     - if Rails.env.user_app?
       javascript:
         var QMobile, Qwaiter, Quser;
@@ -22,6 +21,7 @@ html lang="en"
     - else
       javascript:
         var QMobile, Qwaiter, Quser;
+        var $data_host = null;
         var $event_host = '#{Qwaiter.event_host}';
         var $assets_path = '/assets/';
         var Qstorage = window.localStorage;
@@ -30,5 +30,6 @@ html lang="en"
         #{user_dynamic_obtain_token_url};
         var $platform = 'web'
         var $log = function(params){console.log('App log:'); console.log(params);console.log('=======================================')};
+    = javascript_include_tag "user/flat/application"
   body
     #ember-app-container