add public method to get elements from the controller

Author: jscottsmith

src/libs/ParallaxController.js

@@ -315,6 +315,14 @@ function ParallaxController() {
      * -------------------------------------------------------
      */
 
+    /**
+     * Gets the parallax elements in the controller
+     * @return {array} parallax elements
+     */
+    this.getElements = function() {
+        return elements;
+    };
+
     /**
      * Creates a new parallax element object with new id
      * and options to store in the 'elements' array.