Updated authorization.js redirect

The authorization.js redirect here sends people to '/login', which doesn't exist. I changed this to point to '/'.

config/middlewares/authorization.js

@@ -3,7 +3,7 @@
  */
 exports.requiresLogin = function(req, res, next) {
     if (!req.isAuthenticated()) {
-        return res.redirect('/login');
+        return res.redirect('/');
     }
     next();
 };
@@ -30,4 +30,4 @@ exports.article = {
         }
         next();
     }
-};
+};