CAPX-17 - New Mapping Button

# Ready for review
* Added create new mapping button and help text. 
* Broke out pages into their own file.
* Added button class to links so that they look like a button.
If you use the render array, you can just use #attached.
https://api.drupal.org/api/drupal/developer%21topics%21forms_api_reference.html/7#attached