refactor app directory structure and add tests

tests/node_modules/nightwatch/lib/api/client-commands/useRecursion.js

@@ -0,0 +1,20 @@
+var util = require('util');
+var locateStrategy = require('./_locateStrategy.js');
+
+/**
+ * Sets the locate strategy for selectors to `recursion`, therefore every following selector needs to be an array of element objects
+ * This is used internally for sections of page objects which require element nesting
+ *
+ * @method useRecursion
+ * @param {function} [callback] Optional callback function to be called when the command finishes.
+ * @api commands
+ */
+
+function Command() {
+  this.strategy = 'recursion';
+  locateStrategy.call(this);
+}
+
+util.inherits(Command, locateStrategy);
+
+module.exports = Command;