make backdrops optional

dashboard-ui/scripts/localsettings.js

@@ -0,0 +1,30 @@
+(function ($, window, document) {
+
+    function get(key, userId) {
+
+        return localStorage.getItem(key + '-' + userId);
+    }
+
+    function set(key, userId, value) {
+
+        localStorage.setItem(key + '-' + userId, value);
+    }
+
+    function localSettings() {
+
+        var self = this;
+
+        self.val = function (key, userId, value) {
+            
+            if (arguments.length < 3) {
+
+                return get(key, userId);
+            }
+            
+            set(key, userId, value);
+        };
+    }
+
+    window.LocalSettings = new localSettings();
+
+})(jQuery, window, document);