adding a way to change message file for validation errors (refs #43)

classes/minion/task.php

@@ -38,6 +38,12 @@ public static function factory($task)
 	 */
 	protected $_config = array();
 
+	/**
+	 * The file that get's passes to Validation::errors() when validation fails
+	 * @var string|NULL
+	 */
+	protected $_errors_file = 'validation';
+
 	/**
 	 * Gets the task name for the task
 	 *
@@ -82,6 +88,16 @@ public function build_validation(Validation $validation)
 		return $validation;
 	}
 
+	/**
+	 * Returns $_errors_file
+	 *
+	 * @return string|NULL
+	 */
+	public function get_errors_file()
+	{
+		return $this->_errors_file;
+	}
+
 	/**
 	 * Execute the task with the specified set of config
 	 *