text: /***********************************
   * landing controller expose UI landing page
   ************************************/
  
  /***********************************
   * Module dependencies.
   * @private
   ************************************/
  
  /***********************************
   * Private functions
   ************************************/
  
  /***********************************
   * rendering functions
   ************************************/
  
  /**
   * render landing page (home screen)
   *
   * @param {req} request
   * @param {res} response
   */
  function renderIndex(req,res){
    res.render('home', {
      title: 'Welcome',       
      layout: 'landing-page'
    });  
  }
  
  /**
   * render how it works page
   *
   * @param {req} request
   * @param {res} response
   */
  function renderHowItWorks(req,res){
    res.render('how-it-works', {
      title: 'How it works',        
      layout: 'landing-page'
    });  
  }
  
  /***********************************
   * Module exports.
   ************************************/
  module.exports={
      index :function(req, res) {
        renderIndex(req,res);
      },
      howitworks :function(req, res) {
        renderHowItWorks(req,res);
      }
  };