* Add an option to the GUI for an Update option that will not create duplicate posts
* Add an option to the GUI for an Export option that will create a Map Navigation file from a taxonomy
* Add an option to the GUI to specify the Custom field used by MapPress instead of map_address
* Add support automatically creating navigation posts from new posts that are part of Maps taxonomy
* Add support to create the taxonomy automatically instead of manually editing the themes functions.php file
* Add an option to the GUI for deleting all posts , categories and tags associated with Map Navigation posts
