Enter on add root folder will add folder

Renamed Root Folder js files

src/UI/AddSeries/RootFolders/RootFolderCollection.js

@@ -0,0 +1,17 @@
+'use strict';
+define(
+    [
+        'backbone',
+        'AddSeries/RootFolders/RootFolderModel',
+        'Mixins/backbone.signalr.mixin'
+    ], function (Backbone, RootFolderModel) {
+
+        var RootFolderCollection = Backbone.Collection.extend({
+            url  : window.NzbDrone.ApiRoot + '/rootfolder',
+            model: RootFolderModel
+        });
+
+        //var collection = new RootFolderCollection().bindSignalR();
+
+        return new RootFolderCollection();
+    });