added config option for display_errors. fixed response::error to use dot syntax.

laravel/laravel.php

@@ -57,7 +57,7 @@ register_shutdown_function(function()
  */
 error_reporting(-1);
 
-ini_set('display_errors', 'Off');
+ini_set('display_errors', Config::get('error.display'));
 
 /**
  * Even though "Magic Quotes" are deprecated in PHP 5.3, they may

laravel/response.php

@@ -157,7 +157,7 @@ class Response {
 	 */
 	public static function error($code, $data = array())
 	{
-		return new static(View::make('error/'.$code, $data), $code);
+		return new static(View::make('error.'.$code, $data), $code);
 	}
 
 	/**