[be/csv,bugfix][xs]: fix to breakage of csv loading for urls in 5d24fd474d.

src/backend.csv.js

@@ -52,6 +52,7 @@ this.recline.Backend.CSV = this.recline.Backend.CSV || {};
       jQuery.get(dataset.url).done(function(data) {
         var out = my.extractFields(my.parseCSV(data, dataset), dataset);
         out.useMemoryStore = true;
+        dfd.resolve(out);
       });
     }
     return dfd.promise();