Added laravel validator errors array to be shown


![flash laravel validator](https://cloud.githubusercontent.com/assets/3633772/5359160/e2002470-7fc3-11e4-84f2-dfaa0c0a634b.png
if ($validator->passes()) {
    // validation has passed, save user in DB
} else {
    // validation has failed, display error messages   
     Flash::error($validator->messages()); 
}