Added config file to allow customization of class names and tables.
added permission_role and assigned_roles table names to config files
change to ardent to 2.4.x
updated
update for ardent hack for larval 4.1
Merge pull request #74 from SoapBox/add_ability_to_customize_user_model_used_and_database_table_names

Add ability to customize model names and database table names