Update quoter.js to ensure 0 index can be returned

Author: Kim Maida

quoter.js

@@ -2,6 +2,6 @@ var quotes = require('./quotes.json');
 
 exports.getRandomOne = function() {
  var totalAmount = quotes.length;
- var rand = Math.ceil(Math.random() * (totalAmount - 1));
+ var rand = Math.floor(Math.random() * totalAmount);
  return quotes[rand];
 }