simplified validation error flash message output

controllers/user.js

@@ -65,12 +65,10 @@ exports.postSignup = function(req, res) {
   user.save(function(err) {
     if (err) {
       if (err.code === 11000) {
-        req.flash('messages', 'Duplicate user detected');
+        req.flash('messages', 'User already exists');
         return res.redirect('/signup');
       } else if (err.name === 'ValidationError') {
-        console.log();
-        req.flash('messages', _.toArray(err.errors));
-        //console.log(err);
+        req.flash('messages', _.pluck(_.toArray(err.errors), 'message'));
         return res.redirect('/signup');
       }
     }

views/login.jade

@@ -31,6 +31,6 @@ block content
         | Log In
 
     if messages.length
-      p.alert.alert-danger
+      .alert.alert-danger
         strong Error!
         |  #{messages}

views/signup.jade

@@ -27,7 +27,6 @@ block content
       button.btn.btn.btn-primary(type='submit') Signup
 
     if messages.length
-      for msg in messages
-        p.alert.alert-danger
-          strong #{msg.name}:
-          |  #{msg.message}
+      .alert.alert-danger
+        for message in messages
+          div= message